CVE-2021-24667

Gallery Blocks with Lightbox < 2.2.1- Authenticated Stored Cross-Site Scripting

Description

A stored cross-site scripting vulnerability has been discovered in : Simply Gallery Blocks with Lightbox (Version – 2.2.0 & below). The vulnerability exists in the Lightbox functionality where a user with low privileges is allowed to execute arbitrary script code within the context of the application. This vulnerability is due to insufficient validation of image parameters in meta data.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Third-Party Advisory wpscan.com Third-Party Advisory fortiguard.com
Affected: Unknown Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery
Published at:
Updated at:

References

Link Tags
https://www.fortiguard.com/zeroday/FG-VD-21-060 third party advisory
https://wpscan.com/vulnerability/5925b263-6d6f-4a03-a98a-620150dff8f7 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-24667?
CVE-2021-24667 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24667?
To fix CVE-2021-24667, 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-2021-24667 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-24667 is being actively exploited. 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-2021-24667?
CVE-2021-24667 affects Unknown Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery.
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