RCE in Webarena
CVE-2025-4022
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.
EPSS: 0.005 (38.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Webarena
- Web-arena-x Webarena — versions 0.1, 0.2.0
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2025-4022?
- CVE-2025-4022 is a medium-severity vulnerability in Webarena, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-04-28.
- How severe is CVE-2025-4022?
- Medium severity. CVSS v3 base score is 6.3 out of 10.