What is CVE-2026-109987?

CVE-2026-109987 is a high-severity vulnerability in Pixelyoursite, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-10-22.

How severe is CVE-2026-109987?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Pixelyoursite

CVE-2026-109987

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-22 · last modified 2026-10-22.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Pixelyoursite
Pixelyoursite Pro

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/80e1ed6d-dec5-4bfd-851d-3905fd42d23f/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-109987?: CVE-2026-109987 is a high-severity vulnerability in Pixelyoursite, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-10-22.
How severe is CVE-2026-109987?: High severity. CVSS v3 base score is 7.2 out of 10.