Which versions of Webarena are affected by CVE-2025-4022?

Organizations using web-arena-x webarena should be aware of moderate risk from CVE-2025-4022, a injection vulnerability rated CVSS 5.3.

Is there a public PoC exploit available for CVE-2025-4022?

Yes, a public proof-of-concept exploit is available for CVE-2025-4022. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-4022?

Within 30 days: Identify affected systems running web-arena-x webarena and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Webarena CVE-2025-4022

Q: What is the CVSS score of CVE-2025-4022?

CVE-2025-4022 has a CVSS 4.0 base score of 5.3 (Medium). CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.3%.

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2025-04-28 cna@vuldb.com

Information Disclosure Webarena

5.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:39 vuln.today

PoC Detected

May 14, 2025 - 19:32 vuln.today

Public exploit code

CVE Published

Apr 28, 2025 - 14:15 nvd

MEDIUM 5.3

DescriptionCVE.org

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.

AnalysisAI

A vulnerability was found in web-arena-x webarena up to 0.2.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-74. 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. Affected products include: Webarena. Version information: up to 0.2.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-4022 vulnerability details – vuln.today

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