What’s Vulnerable › Vulnerabilities

CVE-2021-25029: Cluevo < 1.8.1 - Admin+ Stored Cross Site Scripting

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-07 · updated 2026-06-17
• Weakness: CWE-79

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

Affected products

• CLUEVO LMS, E-Learning Platform: before 1.8.1 — fixed in 1.8.1

How to fix

Upgrade to a fixed version: CLUEVO LMS, E-Learning Platform 1.8.1. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/723d0d07-c48b-4fe3-9fb2-7dae3c7d3cfb
• https://wpscan.com/vulnerability/723d0d07-c48b-4fe3-9fb2-7dae3c7d3cfb

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