Vulnerability Description
The Advanced Custom Fields Pro WordPress plugin before 5.9.1 did not properly escape the generated update URL when outputting it in an attribute, leading to a reflected Cross-Site Scripting issue in the update settings page.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Advancedcustomfields | Advanced Custom Fields | < 5.9.1 |
Related Weaknesses (CWE)
References
- https://github.com/jdordonezn/Reflected-XSS-in-WordPress-for-ACF-PRO-before-5.9.ExploitThird Party Advisory
- https://wpscan.com/vulnerability/d1e9c995-37bd-4952-b88e-945e02e3c83fExploitThird Party Advisory
- https://www.advancedcustomfields.com/blog/acf-5-9-1-release/Release NotesVendor Advisory
- https://github.com/jdordonezn/Reflected-XSS-in-WordPress-for-ACF-PRO-before-5.9.ExploitThird Party Advisory
- https://wpscan.com/vulnerability/d1e9c995-37bd-4952-b88e-945e02e3c83fExploitThird Party Advisory
- https://www.advancedcustomfields.com/blog/acf-5-9-1-release/Release NotesVendor Advisory
FAQ
What is CVE-2021-24241?
CVE-2021-24241 is a vulnerability with a CVSS score of 6.1 (MEDIUM). The Advanced Custom Fields Pro WordPress plugin before 5.9.1 did not properly escape the generated update URL when outputting it in an attribute, leading to a reflected Cross-Site Scripting issue in t...
How severe is CVE-2021-24241?
CVE-2021-24241 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-24241?
Check the references section above for vendor advisories and patch information. Affected products include: Advancedcustomfields Advanced Custom Fields.