Add Custom CSS and JS: Cross-site scripting
Add Custom CSS and JS is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
- Component
- Add Custom CSS and JS
- Plugin slug
add-custom-css-and-js- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- May 14, 2024
This CVE was published May 14, 2024 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Add Custom CSS and JS to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L