# WPMU DEV vulnerabilities Source: https://junglewise.ai/threats/vendors/wpmu-dev Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 12 November 2026, 07:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/vendors/wpmu-dev.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 29 vulnerabilities in WPMU DEV: 5 in the last 7 days and 22 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-119040, was published on 12 November 2026. 8 vulnerabilities in the last four weeks, up 60% on the four before (5). 3 technologies have a page of their own. ## Counts - Last 7 days: 5 - Last 30 days: 10 - Last 90 days: 22 - All time: 29 (2 critical, 0 exploited in the wild) ## About WPMU DEV WPMU DEV is a provider of plugins, hosting, and management tools for the WordPress platform. ## Latest WPMU DEV vulnerabilities - [CVE-2026-119040: Defender Security WordPress plugin 2FA bypass via unthrottled OTP](https://junglewise.ai/threats/cve-2026-119040-the-defender-security-wordpress-plugin-before-6-4-1-does-not) (info, published 12 Nov 2026) - [CVE-2026-118241: Smush WordPress plugin insecure direct object reference in media optimization](https://junglewise.ai/threats/cve-2026-118241-the-smush-wordpress-plugin-before-4-3-6-does-not-verify-that-a) (info, published 11 Nov 2026) - [CVE-2026-121763: WPMU DEV Hummingbird stored cross-site scripting](https://junglewise.ai/threats/cve-2026-121763-improper-neutralization-of-input-during-web-page-generation) (medium, CVSS 6.5, published 9 Nov 2026) - [CVE-2026-120845: WPMU DEV Smush Image Compression stored cross-site scripting](https://junglewise.ai/threats/cve-2026-120845-improper-neutralization-of-input-during-web-page-generation) (medium, CVSS 6.5, published 6 Nov 2026) - [CVE-2026-115952: WPMU DEV Forminator stored cross-site scripting](https://junglewise.ai/threats/cve-2026-115952-improper-neutralization-of-input-during-web-page-generation) (medium, CVSS 6.5, published 6 Nov 2026) - [CVE-2026-116859: WPMU DEV Forminator broken access control in form handling](https://junglewise.ai/threats/cve-2026-116859-missing-authorization-vulnerability-in-wpmu-dev-forminator) (medium, CVSS 5.3, published 3 Nov 2026) - [CVE-2026-116858: WPMU DEV Forminator cross-site scripting in form content](https://junglewise.ai/threats/cve-2026-116858-improper-neutralization-of-script-related-html-tags-in-a-web) (medium, CVSS 4.3, published 3 Nov 2026) - [CVE-2026-110901: WPMU DEV SmartCrawl insecure direct object reference](https://junglewise.ai/threats/cve-2026-110901-authorization-bypass-through-user-controlled-key-vulnerability) (medium, CVSS 5.4, published 16 Oct 2026) - [CVE-2026-103911: Forminator Forms arbitrary shortcode execution](https://junglewise.ai/threats/cve-2026-103911-the-the-forminator-forms-contact-form-payment-form-custom-form) (medium, CVSS 6.5, published 16 Oct 2026) - [CVE-2026-102389: WPMU DEV Broken Link Checker code injection vulnerability](https://junglewise.ai/threats/cve-2026-102389-improper-control-of-generation-of-code-code-injection) (medium, CVSS 6.5, published 15 Oct 2026) - [CVE-2026-108486: WPMU DEV Forminator broken access control](https://junglewise.ai/threats/cve-2026-108486-missing-authorization-vulnerability-in-wpmu-dev-forminator) (medium, CVSS 5.3, published 12 Oct 2026) - [CVE-2026-65459: WordPress Forminator arbitrary content deletion vulnerability](https://junglewise.ai/threats/cve-2026-65459-unauthenticated-arbitrary-content-deletion-in-forminator-1-57-3) (high, CVSS 7.5, published 10 Oct 2026) - [CVE-2026-96341: WPMU DEV Forminator privilege escalation](https://junglewise.ai/threats/cve-2026-96341-incorrect-privilege-assignment-vulnerability-in-wpmu-dev) (high, CVSS 8.2, published 10 Oct 2026) - [CVE-2026-102388: WPMU DEV Forminator stored cross-site scripting](https://junglewise.ai/threats/cve-2026-102388-improper-neutralization-of-input-during-web-page-generation) (high, CVSS 7.1, published 10 Oct 2026) - [CVE-2026-96336: WPMU DEV Forminator authentication bypass by spoofing](https://junglewise.ai/threats/cve-2026-96336-authentication-bypass-by-spoofing-vulnerability-in-wpmu-dev) (high, CVSS 7.5, published 9 Oct 2026) - [CVE-2026-102376: Branda white-labeling plugin stored XSS](https://junglewise.ai/threats/cve-2026-102376-subscriber-cross-site-scripting-xss-in-branda-3-4-32-versions) (high, CVSS 7.1, published 30 Sep 2026) - [CVE-2026-19224: Hummingbird Performance privilege escalation in network settings](https://junglewise.ai/threats/cve-2026-19224-hummingbird-performance-privilege-escalation-in-network-settings) (high, CVSS 7.2, published 4 Sep 2026) - [CVE-2026-84772: Broken Link Checker Server Side Request Forgery](https://junglewise.ai/threats/cve-2026-84772-broken-link-checker-server-side-request-forgery) (medium, CVSS 5.5, published 2 Sep 2026) - [CVE-2026-82220: WPMU DEV Forminator unauthenticated other vulnerability](https://junglewise.ai/threats/cve-2026-82220-wpmu-dev-forminator-unauthenticated-other-vulnerability) (medium, CVSS 5.3, published 28 Aug 2026) - [CVE-2026-81285: Smush Image Compression and Optimization unauthenticated denial of service](https://junglewise.ai/threats/cve-2026-81285-smush-image-compression-and-optimization-unauthenticated-denial) (high, CVSS 7.5, published 28 Aug 2026) - [CVE-2026-18328: Forminator DOM-based reflected XSS in Stripe Checkout parameter](https://junglewise.ai/threats/cve-2026-18328-forminator-dom-based-reflected-xss-in-stripe-checkout-parameter) (high, CVSS 7.2, published 25 Aug 2026) - [CVE-2026-66583: Forminator WordPress Plugin PHP Object Injection](https://junglewise.ai/threats/cve-2026-66583-forminator-wordpress-plugin-php-object-injection) (critical, CVSS 9.8, published 20 Aug 2026) - [CVE-2026-57815: WPMU DEV Forminator path traversal and arbitrary file download](https://junglewise.ai/threats/cve-2026-57815-wpmu-dev-forminator-path-traversal-and-arbitrary-file-download) (high, CVSS 7.5, published 13 Jul 2026) - [CVE-2026-57814: WPMU DEV Forminator DOM-based XSS](https://junglewise.ai/threats/cve-2026-57814-wpmu-dev-forminator-dom-based-xss) (high, CVSS 7.1, published 13 Jul 2026) - [CVE-2026-56071: WPMU DEV Forminator unauthenticated XSS](https://junglewise.ai/threats/cve-2026-56071-wpmu-dev-forminator-unauthenticated-xss) (high, CVSS 7.1, published 25 Jun 2026) ## Most severe WPMU DEV vulnerabilities - [CVE-2026-66583: Forminator WordPress Plugin PHP Object Injection](https://junglewise.ai/threats/cve-2026-66583-forminator-wordpress-plugin-php-object-injection) (critical, CVSS 9.8, published 20 Aug 2026) - [CVE-2026-11551: WPMU DEV Branda privilege escalation via account takeover](https://junglewise.ai/threats/cve-2026-11551-wpmu-dev-branda-privilege-escalation-via-account-takeover) (critical, CVSS 9.8, published 20 Jun 2026) - [CVE-2026-96341: WPMU DEV Forminator privilege escalation](https://junglewise.ai/threats/cve-2026-96341-incorrect-privilege-assignment-vulnerability-in-wpmu-dev) (high, CVSS 8.2, published 10 Oct 2026) - [CVE-2026-39466: WPMU DEV Broken Link Checker blind SQL injection](https://junglewise.ai/threats/cve-2026-39466-wpmu-dev-broken-link-checker-blind-sql-injection) (high, CVSS 7.6, published 8 Apr 2026) - [CVE-2026-81285: Smush Image Compression and Optimization unauthenticated denial of service](https://junglewise.ai/threats/cve-2026-81285-smush-image-compression-and-optimization-unauthenticated-denial) (high, CVSS 7.5, published 28 Aug 2026) - [CVE-2026-96336: WPMU DEV Forminator authentication bypass by spoofing](https://junglewise.ai/threats/cve-2026-96336-authentication-bypass-by-spoofing-vulnerability-in-wpmu-dev) (high, CVSS 7.5, published 9 Oct 2026) - [CVE-2026-65459: WordPress Forminator arbitrary content deletion vulnerability](https://junglewise.ai/threats/cve-2026-65459-unauthenticated-arbitrary-content-deletion-in-forminator-1-57-3) (high, CVSS 7.5, published 10 Oct 2026) - [CVE-2026-57815: WPMU DEV Forminator path traversal and arbitrary file download](https://junglewise.ai/threats/cve-2026-57815-wpmu-dev-forminator-path-traversal-and-arbitrary-file-download) (high, CVSS 7.5, published 13 Jul 2026) - [CVE-2026-19224: Hummingbird Performance privilege escalation in network settings](https://junglewise.ai/threats/cve-2026-19224-hummingbird-performance-privilege-escalation-in-network-settings) (high, CVSS 7.2, published 4 Sep 2026) - [CVE-2026-18328: Forminator DOM-based reflected XSS in Stripe Checkout parameter](https://junglewise.ai/threats/cve-2026-18328-forminator-dom-based-reflected-xss-in-stripe-checkout-parameter) (high, CVSS 7.2, published 25 Aug 2026) ## Vulnerabilities per week 8 vulnerabilities in the last four weeks, up 60% on the four before (5). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 1 | 1 | 0 | | 24 Aug 2026 | 3 | 0 | 0 | | 31 Aug 2026 | 2 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 1 | 0 | 0 | | 5 Oct 2026 | 4 | 0 | 0 | | 12 Oct 2026 | 4 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 4 | 0 | 0 | | 9 Nov 2026 | 3 | 0 | 0 | ## WPMU DEV technologies - [WPMU DEV Forminator](https://junglewise.ai/threats/technologies/forminator): 14 vulnerabilities - [WPMU DEV Broken Link Checker](https://junglewise.ai/threats/technologies/broken-link-checker): 3 vulnerabilities - [WPMU DEV Hustle](https://junglewise.ai/threats/technologies/hustle): 3 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "WPMU DEV vulnerabilities", https://junglewise.ai/threats/vendors/wpmu-dev, 12 November 2026.