{"schema_version":1,"title":"Wikimedia Foundation Mediawiki WikiLambda extension vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Wikimedia Foundation Mediawiki WikiLambda extension: 3 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-100383, was published on 25 September 2026.","url":"https://junglewise.ai/threats/technologies/mediawiki-wikilambda-extension","json_url":"https://junglewise.ai/threats/technologies/mediawiki-wikilambda-extension.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/mediawiki-wikilambda-extension","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":0,"exploited":0,"last_7_days":3,"last_30_days":3,"last_90_days":3,"last_365_days":3},"latest":[{"cve":"CVE-2026-100383","slug":"cve-2026-100383-improper-neutralization-of-input-during-web-page-generation-xss","title":"Mediawiki WikiLambda extension stored XSS in Visual Editor integration","severity":"info","exploited":false,"published_at":"2026-09-25T22:17:10.303+00:00","url":"https://junglewise.ai/threats/cve-2026-100383-improper-neutralization-of-input-during-web-page-generation-xss"},{"cve":"CVE-2026-100377","slug":"cve-2026-100377-exposure-of-sensitive-information-to-an-unauthorized-actor","title":"MediaWiki WikiLambda information disclosure in revision handling","severity":"info","exploited":false,"published_at":"2026-09-25T21:17:21.65+00:00","url":"https://junglewise.ai/threats/cve-2026-100377-exposure-of-sensitive-information-to-an-unauthorized-actor"},{"cve":"CVE-2026-96872","epss":0.0023,"slug":"cve-2026-96872-improper-handling-of-insufficient-permissions-or-privileges","title":"Wikimedia MediaWiki WikiLambda privilege escalation","severity":"info","exploited":false,"published_at":"2026-09-23T19:19:55.327+00:00","url":"https://junglewise.ai/threats/cve-2026-96872-improper-handling-of-insufficient-permissions-or-privileges"}],"weekly":[{"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":3},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Wikimedia Foundation Mediawiki","slug":"mediawiki","vulnerabilities":20,"url":"https://junglewise.ai/threats/technologies/mediawiki"},{"name":"Wikimedia Foundation Cargo Extension","slug":"cargo-extension","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/cargo-extension"},{"name":"Wikimedia Foundation CheckUser","slug":"checkuser","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/checkuser"}],"technology":{"hub":true,"name":"Wikimedia Foundation Mediawiki WikiLambda extension","slug":"mediawiki-wikilambda-extension","vendor":{"name":"Wikimedia Foundation","slug":"wikimedia-foundation","url":"https://junglewise.ai/threats/vendors/wikimedia-foundation"},"aliases":[],"category":"extension","description":"WikiLambda is a MediaWiki extension that enables defining and executing functions in wiki pages.","url":"https://junglewise.ai/threats/technologies/mediawiki-wikilambda-extension"},"most_severe":[{"cve":"CVE-2026-96872","epss":0.0023,"slug":"cve-2026-96872-improper-handling-of-insufficient-permissions-or-privileges","title":"Wikimedia MediaWiki WikiLambda privilege escalation","severity":"info","exploited":false,"published_at":"2026-09-23T19:19:55.327+00:00","url":"https://junglewise.ai/threats/cve-2026-96872-improper-handling-of-insufficient-permissions-or-privileges"},{"cve":"CVE-2026-100383","slug":"cve-2026-100383-improper-neutralization-of-input-during-web-page-generation-xss","title":"Mediawiki WikiLambda extension stored XSS in Visual Editor integration","severity":"info","exploited":false,"published_at":"2026-09-25T22:17:10.303+00:00","url":"https://junglewise.ai/threats/cve-2026-100383-improper-neutralization-of-input-during-web-page-generation-xss"},{"cve":"CVE-2026-100377","slug":"cve-2026-100377-exposure-of-sensitive-information-to-an-unauthorized-actor","title":"MediaWiki WikiLambda information disclosure in revision handling","severity":"info","exploited":false,"published_at":"2026-09-25T21:17:21.65+00:00","url":"https://junglewise.ai/threats/cve-2026-100377-exposure-of-sensitive-information-to-an-unauthorized-actor"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}