Vulnerability · Published May 9, 2024 · Assigned by WPScan
CVE-2024-3903Add Custom CSS and JS <= 1.20 - Stored XSS via CSRF
High 7.1
In plain English
A high-severity security flaw in Add Custom CSS and JS from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 88.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Add Custom CSS and JS WordPress plugin through 1.20 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in as author and above add Stored XSS payloads via a CSRF attack
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Add Custom CSS and JS | 0 – through 1.20 |
References
- https://wpscan.com/vulnerability/0a0e7bd4-948d-47c9-9219-380bda9f3034/ exploit, vdb-entry, technical-description