CVE-2023-2795: CodeColorer < 0.10.1 – Admin+ Stored Cross-Site Scripting

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-06-27 · updated 2026-06-17

Description

The CodeColorer WordPress plugin before 0.10.1 does not sanitise 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

CodeColorer: before 0.10.1 — fixed in 0.10.1

How to fix

Upgrade to a fixed version: CodeColorer 0.10.1. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/2d6ecd21-3dd4-423d-80e7-277c45080a9f
https://wpscan.com/vulnerability/2d6ecd21-3dd4-423d-80e7-277c45080a9f

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