{"schema_version":1,"title":"svelte (npm) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 15 vulnerabilities in svelte (npm): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-42599, was published on 9 June 2026.","url":"https://junglewise.ai/threats/technologies/svelte","json_url":"https://junglewise.ai/threats/technologies/svelte.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/svelte","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":15,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":13},"latest":[{"cve":"CVE-2026-42599","cvss":4,"epss":0.0024,"slug":"cve-2026-42599-svelte-xss-via-spread-attributes-in-ssr","title":"Svelte XSS via spread attributes in SSR","severity":"medium","exploited":false,"published_at":"2026-06-09T17:17:07.55+00:00","url":"https://junglewise.ai/threats/cve-2026-42599-svelte-xss-via-spread-attributes-in-ssr"},{"cve":"CVE-2026-42573","cvss":4,"epss":0.0035,"slug":"cve-2026-42573-svelte-dom-clobbering-leading-to-xss-in-internal-framework-state","title":"Svelte DOM clobbering leading to XSS in internal framework state","severity":"medium","exploited":false,"published_at":"2026-06-09T17:17:07.4+00:00","url":"https://junglewise.ai/threats/cve-2026-42573-svelte-dom-clobbering-leading-to-xss-in-internal-framework-state"},{"cve":"CVE-2026-42567","cvss":4,"epss":0.0044,"slug":"cve-2026-42567-svelte-redos-in-svelte-element-tag-validation","title":"Svelte ReDoS in svelte:element tag validation","severity":"medium","exploited":false,"published_at":"2026-06-09T17:17:07.1+00:00","url":"https://junglewise.ai/threats/cve-2026-42567-svelte-redos-in-svelte-element-tag-validation"},{"cvss":5.3,"slug":"svelte-ssr-xss-via-insecure-promise-serialization-in-hydratable-89e852bc","title":"Svelte SSR XSS via Insecure Promise Serialization in hydratable","severity":"medium","exploited":false,"published_at":"2026-05-14T20:30:09+00:00","url":"https://junglewise.ai/threats/svelte-ssr-xss-via-insecure-promise-serialization-in-hydratable-89e852bc"},{"cvss":4,"slug":"svelte-xss-via-insecure-promise-serialization-in-hydratable-3f504409","title":"Svelte XSS via insecure promise serialization in hydratable","severity":"medium","exploited":false,"published_at":"2026-05-14T20:30:09+00:00","url":"https://junglewise.ai/threats/svelte-xss-via-insecure-promise-serialization-in-hydratable-3f504409"},{"cve":"CVE-2026-27902","cvss":4,"epss":0.0037,"slug":"cve-2026-27902-svelte-xss-via-html-comment-injection-in-ssr-error-boundary","title":"Svelte XSS via HTML comment injection in SSR error boundary","severity":"medium","exploited":false,"published_at":"2026-02-26T22:25:45+00:00","url":"https://junglewise.ai/threats/cve-2026-27902-svelte-xss-via-html-comment-injection-in-ssr-error-boundary"},{"cve":"CVE-2026-27901","cvss":4,"epss":0.0037,"slug":"cve-2026-27901-svelte-xss-in-ssr-with-contenteditable-bind-innertext-and-bind","title":"Svelte XSS in SSR with contenteditable bind:innerText and bind:textContent","severity":"medium","exploited":false,"published_at":"2026-02-26T22:24:54+00:00","url":"https://junglewise.ai/threats/cve-2026-27901-svelte-xss-in-ssr-with-contenteditable-bind-innertext-and-bind"},{"cve":"CVE-2026-27125","cvss":4,"epss":0.005,"slug":"cve-2026-27125-svelte-ssr-attribute-spreading-prototype-chain-pollution","title":"Svelte SSR attribute spreading prototype chain pollution","severity":"medium","exploited":false,"published_at":"2026-02-19T20:28:49+00:00","url":"https://junglewise.ai/threats/cve-2026-27125-svelte-ssr-attribute-spreading-prototype-chain-pollution"},{"cve":"CVE-2026-27122","cvss":4,"epss":0.0022,"slug":"cve-2026-27122-svelte-ssr-html-injection-in-svelte-element-tag-validation","title":"Svelte SSR HTML injection in svelte:element tag validation","severity":"medium","exploited":false,"published_at":"2026-02-19T15:18:42+00:00","url":"https://junglewise.ai/threats/cve-2026-27122-svelte-ssr-html-injection-in-svelte-element-tag-validation"},{"cve":"CVE-2026-27121","cvss":4,"epss":0.0022,"slug":"cve-2026-27121-svelte-cross-site-scripting-in-server-side-rendering-via-spread","title":"Svelte cross-site scripting in server-side rendering via spread attributes","severity":"medium","exploited":false,"published_at":"2026-02-19T15:18:33+00:00","url":"https://junglewise.ai/threats/cve-2026-27121-svelte-cross-site-scripting-in-server-side-rendering-via-spread"},{"cve":"CVE-2026-27119","cvss":4,"epss":0.0021,"slug":"cve-2026-27119-svelte-xss-in-ssr-option-element","title":"Svelte XSS in SSR option element","severity":"medium","exploited":false,"published_at":"2026-02-19T15:18:19+00:00","url":"https://junglewise.ai/threats/cve-2026-27119-svelte-xss-in-ssr-option-element"},{"cvss":4,"slug":"svelte-xss-in-textarea-bind-value-during-server-side-rendering-8c8d8142","title":"Svelte XSS in textarea bind:value during server-side rendering","severity":"medium","exploited":false,"published_at":"2026-01-16T21:02:56+00:00","url":"https://junglewise.ai/threats/svelte-xss-in-textarea-bind-value-during-server-side-rendering-8c8d8142"},{"cve":"CVE-2025-15265","cvss":4,"epss":0.0035,"slug":"cve-2025-15265-svelte-cross-site-scripting-in-hydratable-keys","title":"Svelte cross-site scripting in hydratable keys","severity":"medium","exploited":false,"published_at":"2026-01-15T20:13:33+00:00","url":"https://junglewise.ai/threats/cve-2025-15265-svelte-cross-site-scripting-in-hydratable-keys"},{"cve":"CVE-2024-45047","cvss":3.1,"epss":0.0037,"slug":"cve-2024-45047-svelte-improper-html-escaping-in-server-side-rendering","title":"Svelte improper HTML escaping in server-side rendering","severity":"low","exploited":false,"published_at":"2024-08-30T16:49:10+00:00","url":"https://junglewise.ai/threats/cve-2024-45047-svelte-improper-html-escaping-in-server-side-rendering"},{"cve":"CVE-2022-25875","cvss":3.1,"epss":0.014,"slug":"cve-2022-25875-svelte-xss-in-server-side-rendering-via-object-tostring","title":"Svelte XSS in server-side rendering via object toString","severity":"low","exploited":false,"published_at":"2022-07-13T00:00:41+00:00","url":"https://junglewise.ai/threats/cve-2022-25875-svelte-xss-in-server-side-rendering-via-object-tostring"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"flowise (npm)","slug":"flowise","vulnerabilities":156,"url":"https://junglewise.ai/threats/technologies/flowise"},{"name":"vm2 (npm)","slug":"vm2","vulnerabilities":82,"url":"https://junglewise.ai/threats/technologies/vm2"},{"name":"@budibase/server (npm)","slug":"budibase-server","vulnerabilities":61,"url":"https://junglewise.ai/threats/technologies/budibase-server"},{"name":"directus (npm)","slug":"directus","vulnerabilities":60,"url":"https://junglewise.ai/threats/technologies/directus"},{"name":"nocodb (npm)","slug":"nocodb","vulnerabilities":55,"url":"https://junglewise.ai/threats/technologies/nocodb"},{"name":"hono (npm)","slug":"hono","vulnerabilities":54,"url":"https://junglewise.ai/threats/technologies/hono"},{"name":"parse-server (npm)","slug":"parse-server","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/parse-server"},{"name":"dompurify (npm)","slug":"dompurify","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/dompurify"},{"name":"ghost (npm)","slug":"ghost","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/ghost"},{"name":"flowise-components (npm)","slug":"flowise-components","vulnerabilities":35,"url":"https://junglewise.ai/threats/technologies/flowise-components"},{"name":"astro (npm)","slug":"astro","vulnerabilities":30,"url":"https://junglewise.ai/threats/technologies/astro"},{"name":"@anthropic-ai/claude-code (npm)","slug":"anthropic-ai-claude-code","vulnerabilities":28,"url":"https://junglewise.ai/threats/technologies/anthropic-ai-claude-code"}],"technology":{"hub":true,"name":"svelte (npm)","slug":"svelte","vendor":{"name":"npm","slug":"npm","url":"https://junglewise.ai/threats/vendors/npm"},"aliases":[],"homepage":"https://svelte.dev/","repo_url":"https://github.com/sveltejs/svelte","description":"Svelte is a JavaScript framework that compiles components into highly efficient code that surgically updates the DOM.","url":"https://junglewise.ai/threats/technologies/svelte"},"most_severe":[{"cvss":5.3,"slug":"svelte-ssr-xss-via-insecure-promise-serialization-in-hydratable-89e852bc","title":"Svelte SSR XSS via Insecure Promise Serialization in hydratable","severity":"medium","exploited":false,"published_at":"2026-05-14T20:30:09+00:00","url":"https://junglewise.ai/threats/svelte-ssr-xss-via-insecure-promise-serialization-in-hydratable-89e852bc"},{"cve":"CVE-2026-27125","cvss":4,"epss":0.005,"slug":"cve-2026-27125-svelte-ssr-attribute-spreading-prototype-chain-pollution","title":"Svelte SSR attribute spreading prototype chain pollution","severity":"medium","exploited":false,"published_at":"2026-02-19T20:28:49+00:00","url":"https://junglewise.ai/threats/cve-2026-27125-svelte-ssr-attribute-spreading-prototype-chain-pollution"},{"cve":"CVE-2026-42567","cvss":4,"epss":0.0044,"slug":"cve-2026-42567-svelte-redos-in-svelte-element-tag-validation","title":"Svelte ReDoS in svelte:element tag validation","severity":"medium","exploited":false,"published_at":"2026-06-09T17:17:07.1+00:00","url":"https://junglewise.ai/threats/cve-2026-42567-svelte-redos-in-svelte-element-tag-validation"},{"cve":"CVE-2026-27902","cvss":4,"epss":0.0037,"slug":"cve-2026-27902-svelte-xss-via-html-comment-injection-in-ssr-error-boundary","title":"Svelte XSS via HTML comment injection in SSR error boundary","severity":"medium","exploited":false,"published_at":"2026-02-26T22:25:45+00:00","url":"https://junglewise.ai/threats/cve-2026-27902-svelte-xss-via-html-comment-injection-in-ssr-error-boundary"},{"cve":"CVE-2026-27901","cvss":4,"epss":0.0037,"slug":"cve-2026-27901-svelte-xss-in-ssr-with-contenteditable-bind-innertext-and-bind","title":"Svelte XSS in SSR with contenteditable bind:innerText and bind:textContent","severity":"medium","exploited":false,"published_at":"2026-02-26T22:24:54+00:00","url":"https://junglewise.ai/threats/cve-2026-27901-svelte-xss-in-ssr-with-contenteditable-bind-innertext-and-bind"},{"cve":"CVE-2026-42573","cvss":4,"epss":0.0035,"slug":"cve-2026-42573-svelte-dom-clobbering-leading-to-xss-in-internal-framework-state","title":"Svelte DOM clobbering leading to XSS in internal framework state","severity":"medium","exploited":false,"published_at":"2026-06-09T17:17:07.4+00:00","url":"https://junglewise.ai/threats/cve-2026-42573-svelte-dom-clobbering-leading-to-xss-in-internal-framework-state"},{"cve":"CVE-2025-15265","cvss":4,"epss":0.0035,"slug":"cve-2025-15265-svelte-cross-site-scripting-in-hydratable-keys","title":"Svelte cross-site scripting in hydratable keys","severity":"medium","exploited":false,"published_at":"2026-01-15T20:13:33+00:00","url":"https://junglewise.ai/threats/cve-2025-15265-svelte-cross-site-scripting-in-hydratable-keys"},{"cve":"CVE-2026-42599","cvss":4,"epss":0.0024,"slug":"cve-2026-42599-svelte-xss-via-spread-attributes-in-ssr","title":"Svelte XSS via spread attributes in SSR","severity":"medium","exploited":false,"published_at":"2026-06-09T17:17:07.55+00:00","url":"https://junglewise.ai/threats/cve-2026-42599-svelte-xss-via-spread-attributes-in-ssr"},{"cve":"CVE-2026-27122","cvss":4,"epss":0.0022,"slug":"cve-2026-27122-svelte-ssr-html-injection-in-svelte-element-tag-validation","title":"Svelte SSR HTML injection in svelte:element tag validation","severity":"medium","exploited":false,"published_at":"2026-02-19T15:18:42+00:00","url":"https://junglewise.ai/threats/cve-2026-27122-svelte-ssr-html-injection-in-svelte-element-tag-validation"},{"cve":"CVE-2026-27121","cvss":4,"epss":0.0022,"slug":"cve-2026-27121-svelte-cross-site-scripting-in-server-side-rendering-via-spread","title":"Svelte cross-site scripting in server-side rendering via spread attributes","severity":"medium","exploited":false,"published_at":"2026-02-19T15:18:33+00:00","url":"https://junglewise.ai/threats/cve-2026-27121-svelte-cross-site-scripting-in-server-side-rendering-via-spread"}],"generated_at":"2026-09-26T10:14:00.201383+00:00"}