CVE-2026-109987
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
Product
PixelYourSite
PublishedOct 22, 2026
First seenOct 22, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- PixelYourSite11.4.3 or later
- PixelYourSite Pro12.6.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| PixelYourSite | v < 11.4.3 | 11.4.3 |
| PixelYourSite Pro | v < 12.6.8 | 12.6.8 |
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