Input validation error in WordPress - #VU141184
Published: August 7, 2026
Vulnerability identifier: #VU141184
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to inject arbitrary stylesheet code.
The vulnerability exists due to improper input validation in the safe CSS attribute filter when processing CSS input. A remote user can bypass the filter to inject arbitrary stylesheet code.
Exploitation requires author-level or higher permissions.
Affected software
WordPress
Remediation
Install security update from vendor's website.
WordPress - addressed in versions 6.8.7, 6.9.6, 7.0.3