CVE-2021-24357

Public Exploit
FooGallery < 2.0.35 - Authenticated Stored Cross-Site Scripting

Description

In the Best Image Gallery & Responsive Photo Gallery – FooGallery WordPress plugin before 2.0.35, the Custom CSS field of each gallery is not properly sanitised or validated before being being output in the page where the gallery is embed, leading to a stored Cross-Site Scripting issue.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Third-Party Advisory wpscan.com
Affected: FooPlugins Best Image Gallery & Responsive Photo Gallery – FooGallery
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-24357?
CVE-2021-24357 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24357?
To fix CVE-2021-24357, 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-2021-24357 being actively exploited in the wild?
It is possible that CVE-2021-24357 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-2021-24357?
CVE-2021-24357 affects FooPlugins Best Image Gallery & Responsive Photo Gallery – FooGallery.
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.