CVE-2024-3903

Add Custom CSS and JS <= 1.20 - Stored XSS via CSRF

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

Add Custom CSS and JS

CVSS v3.1 CNA

7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS

0.21% chance of exploitation in the next 30 days, 11th percentile

Published

2024-05-09

Updated

2024-08-01

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/0a0e7bd4-948d-47c9-9219-380bda9f3034/

Security advisories

• https://wpscan.com/vulnerability/0a0e7bd4-948d-47c9-9219-380bda9f3034

References

• CVE Record
• NVD entry