What’s Vulnerable › Vulnerabilities

CVE-2022-4551: Rich Table of Contents < 1.3.9 - Contributor+ Stored XSS

• Severity: medium (CVSS 5.4 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: 2023-02-13 · updated 2026-06-17

Description

The Rich Table of Contents WordPress plugin before 1.3.9 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Affected products

• Rich Table of Contents: before 1.3.9 — fixed in 1.3.9

How to fix

Upgrade to a fixed version: Rich Table of Contents 1.3.9. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/91c00b17-00ba-4c3f-8587-d54449a02659
• https://wpscan.com/vulnerability/91c00b17-00ba-4c3f-8587-d54449a02659

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