CVE-2021-25029

Name: CVE-2021-25029
Creator: NVD / NIST
Published: 2022-02-07T16:15:44.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2021-25029 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The CLUEVO LMS, E-Learning Platform WordPress plugin before 1.8.1 does not sanitise and escape Course's module, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

The CLUEVO LMS, E-Learning Platform WordPress plugin before 1.8.1 does not sanitise and escape Course's module, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.59%

43.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cluevo	Learning Management System	< 1.8.1

References

https://wpscan.com/vulnerability/723d0d07-c48b-4fe3-9fb2-7dae3c7d3cfbExploit, Third Party Advisory
https://wpscan.com/vulnerability/723d0d07-c48b-4fe3-9fb2-7dae3c7d3cfbExploit, Third Party Advisory

Timeline

Published: Feb 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25029?

How severe is CVE-2021-25029?

CVE-2021-25029 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25029?

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-2021-25029?

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

Scan your code now

Source: NVD / NIST