CVE-2021-24603

Name: CVE-2021-24603
Creator: NVD / NIST
Published: 2021-09-06T11:15:08.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2021-24603 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when adding a review as an admin, which could allow them to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

The Site Reviews WordPress plugin before 5.13.1 does not sanitise some of its Review Details when adding a review as an admin, which could allow them to perform Cross-Site Scripting attacks when the unfiltered_html is disallowed

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Geminilabs	Site Reviews	< 5.13.1

References

https://wpscan.com/vulnerability/72aea0e5-1fa7-4827-a173-59982202d323Exploit, Third Party Advisory
https://wpscan.com/vulnerability/72aea0e5-1fa7-4827-a173-59982202d323Exploit, Third Party Advisory

Timeline

Published: Sep 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24603?

How severe is CVE-2021-24603?

CVE-2021-24603 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24603?

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-2021-24603?

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

Scan your code now

Source: NVD / NIST