CVE-2021-24437

Public Exploit
Favicon by RealFaviconGenerator <= 1.3.20 - Reflected Cross-Site Scripting (XSS)

Description

The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory wpscan.com
Affected: Unknown Favicon by RealFaviconGenerator
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-24437?
CVE-2021-24437 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24437?
To fix CVE-2021-24437, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24437 being actively exploited in the wild?
It is possible that CVE-2021-24437 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24437?
CVE-2021-24437 affects Unknown Favicon by RealFaviconGenerator.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.