WordPress Plugin Vulnerabilities
Web Vitals Tracking <= 5.4.2 - Unauthenticated Stored XSS via Tracking Beacon Metric Name
Description
The plugin does not validate or escape performance measurements submitted by unauthenticated visitors before storing them and outputting them in a script context on an administrative page, allowing unauthenticated attackers to perform Stored Cross-Site Scripting attacks against administrators.
Proof of Concept
Affects Plugins
No known fix References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Pablo González Pérez, Francisco José Ramírez Vicente and Iñigo Sánchez Enciso
Submitter
Pablo González Pérez, Francisco José Ramírez Vicente and Iñigo Sánchez Enciso
Submitter website
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-09 (about 2 days ago)
Added
2026-10-09 (about 1 day ago)
Last Updated
2026-10-09 (about 1 day ago)
