CVE-2023-0548: Namaste! LMS < 2.5.9.4 - Admin+ Stored XSS

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-27 · updated 2026-06-17
Weakness: CWE-79

Description

The Namaste! LMS WordPress plugin before 2.5.9.4 does not sanitize and escape some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Affected products

Bob Namaste! LMS: before 2.5.9.4 — fixed in 2.5.9.4

How to fix

Upgrade to a fixed version: Bob Namaste! LMS 2.5.9.4. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/b6c1ed7a-5b2d-4985-847d-56586b1aae9b
https://wpscan.com/vulnerability/b6c1ed7a-5b2d-4985-847d-56586b1aae9b

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