CVE-2021-24973

Name: CVE-2021-24973
Creator: NVD / NIST
Published: 2022-01-03T13:15:08.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.31%

Last modified Jun 17, 2026

CVE-2021-24973 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Site Reviews WordPress plugin before 5.17.3 does not sanitise and escape the site-reviews parameter of the glsr_action AJAX action (available to unauthenticated and any authenticated users), allowing them to perform Cross-Site Scripting attacks against logged in admins viewing the Tool dashboard of the plugin. EPSS estimates a 1.31% chance of exploitation in the next 30 days.

Description

The Site Reviews WordPress plugin before 5.17.3 does not sanitise and escape the site-reviews parameter of the glsr_action AJAX action (available to unauthenticated and any authenticated users), allowing them to perform Cross-Site Scripting attacks against logged in admins viewing the Tool dashboard of the plugin

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.31%

67.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Geminilabs	Site Reviews	< 5.17.3

References

https://plugins.trac.wordpress.org/changeset/2629821Patch, Third Party Advisory
https://wpscan.com/vulnerability/0118f245-0e6f-44c1-9bdb-5b3a5d2403d6Exploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2629821Patch, Third Party Advisory
https://wpscan.com/vulnerability/0118f245-0e6f-44c1-9bdb-5b3a5d2403d6Exploit, Third Party Advisory

Timeline

Published: Jan 3, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24973?

How severe is CVE-2021-24973?

CVE-2021-24973 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24973?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24973?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST