CVE-2026-109987
Last modified
CVE-2026-109987 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. The PixelYourSite WordPress plugin before 11.4.3, PixelYourSite Pro WordPress plugin before 12.6.8 do not sanitise and escape a cookie value before printing it into the page output, which, on a site running a full-page cache, allows unauthenticated attackers to store a Cross-Site Scripting payload in the cached page that is then served to other visitors.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
The PixelYourSite WordPress plugin before 11.4.3, PixelYourSite Pro WordPress plugin before 12.6.8 do not sanitise and escape a cookie value before printing it into the page output, which, on a site running a full-page cache, allows unauthenticated attackers to store a Cross-Site Scripting payload in the cached page that is then served to other visitors.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | PixelYourSite | < 11.4.3 |
| Unknown | PixelYourSite Pro | < 12.6.8 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-109987?
How severe is CVE-2026-109987?
How do I fix CVE-2026-109987?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-10998Out of bounds read in Media in Google Chrome prior to 149.0.…4
- CVE-2026-109980The Related Posts for WordPress plugin for WordPress is vuln…4.3
- CVE-2026-109982The MB Custom Post Types & Custom Taxonomies WordPress plugi…4.2
- CVE-2026-109983The YMC Filter plugin for WordPress is vulnerable to Stored …6.4
- CVE-2026-109984The FV Flowplayer Video Player plugin for WordPress is vulne…5.4
- CVE-2026-109985The xSpeed Cache: AI-Powered Performance Hub with MCP, Cachi…6.4
- CVE-2026-109988The Product Addons for Woocommerce – Product Options with Cu…4.4
- CVE-2026-109989The Themify Popup plugin for WordPress is vulnerable to Stor…6.4
- CVE-2026-10999Integer overflow in ANGLE in Google Chrome on Windows prior …6.5
- CVE-2026-109990The Flying Scripts: Delay JavaScript to Improve Site Speed &…7.2
- CVE-2026-109995The Advanced Views – Display Framework for Gutenberg & Eleme…7.2
- CVE-2026-109997The Ninja Forms – Contact Form Builder with Calculators, Qui…7.2
Are you affected by CVE-2026-109987?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST