CVE-2026-109987

PixelYourSite (Free & Pro) - Unauthenticated Stored XSS via Cookie

Published Oct 22, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions pixel Your Site
Wordpress-extensions pixel Your Site Pro
Vendors & Products Wordpress-extensions
Wordpress-extensions pixel Your Site
Wordpress-extensions pixel Your Site Pro
Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
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.
Title PixelYourSite (Free & Pro) - Unauthenticated Stored XSS via Cookie
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Oct 22, 2026, 11:06 AM
Reserved
Oct 13, 2026, 12:27 PM
Status
Deferred
Published
Oct 22, 2026, 6:17 AM
Modified
Oct 22, 2026, 3:16 PM