Vulnerability Description
The Popular Brand Icons – Simple Icons WordPress plugin before 2.7.8 does not sanitise or validate some of its shortcode parameters, such as "color", "size" or "class", allowing users with a role as low as Contributor to set Cross-Site payload in them. A post made by a contributor would still have to be approved by an admin to have the XSS triggered in the frontend, however, higher privilege users, such as editor could exploit this without the need of approval, and even when the blog disallows the unfiltered_html capability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Thememason | Popular Brand Icons - Simple Icons | < 2.7.8 |
Related Weaknesses (CWE)
References
- https://wpscan.com/vulnerability/18ab1570-2b4a-48a4-86e6-c1d368563691ExploitThird Party Advisory
- https://wpscan.com/vulnerability/18ab1570-2b4a-48a4-86e6-c1d368563691ExploitThird Party Advisory
FAQ
What is CVE-2021-24503?
CVE-2021-24503 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The Popular Brand Icons – Simple Icons WordPress plugin before 2.7.8 does not sanitise or validate some of its shortcode parameters, such as "color", "size" or "class", allowing users with a role as l...
How severe is CVE-2021-24503?
CVE-2021-24503 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-24503?
Check the references section above for vendor advisories and patch information. Affected products include: Thememason Popular Brand Icons - Simple Icons.