What’s Vulnerable › Vulnerabilities

CVE-2021-24393: Comment Highlighter <= 0.13 - Authenticated SQL Injection

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-06 · updated 2026-06-17
• Weakness: CWE-89

Description

A c GET parameter of the Comment Highlighter WordPress plugin through 0.13 is not properly sanitised, escaped or validated before inserting to a SQL statement, leading to SQL injection.

Affected products

• Comment Highlighter: through 0.13

References

• https://codevigilant.com/disclosure/2021/wp-plugin-comment-highlighter/
• https://wpscan.com/vulnerability/24969766-19e3-47cd-b32c-6c3330651d1f
• https://codevigilant.com/disclosure/2021/wp-plugin-comment-highlighter/
• https://wpscan.com/vulnerability/24969766-19e3-47cd-b32c-6c3330651d1f

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