CVE-2021-39313

Simple Image Gallery <= 1.0.6 Reflected Cross-Site Scripting

Description

The Simple Image Gallery WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the msg parameter found in the ~/simple-image-gallery.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.6.

Remediation

Solution:

  • Uninstall plugin from WordPress site.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.20%
Third-Party Advisory wordpress.org Third-Party Advisory wordfence.com
Affected: Simple Image Gallery Simple Image Gallery
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39313 third party advisory
https://plugins.trac.wordpress.org/browser/simple-responsive-image-gallery/tags/1.0.6/simple-image-gallery.php#L420 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-39313?
CVE-2021-39313 has been scored as a medium severity vulnerability.
How to fix CVE-2021-39313?
To fix CVE-2021-39313: Uninstall plugin from WordPress site.
Is CVE-2021-39313 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-39313 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-2021-39313?
CVE-2021-39313 affects Simple Image Gallery Simple Image Gallery.
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