CVE-2025-4022: A vulnerability was found in web-arena-x webarena up to 0.2.0

Q: How do I fix CVE-2025-4022?

webarena: upgrade to newer than 0.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-4022 being exploited?

CVE-2025-4022 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-4022 affect?

CVE-2025-4022 affects webarena. Severity is medium (CVSS 6.3). 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 arg

Q: How urgent is CVE-2025-4022?

Priority 39/100. Public exploit reference

Routine

MEDIUM 6.3UPGRADE

CVE-2025-4022 is a medium-severity flaw (CVSS 6.3) affecting webarena. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-74, CWE-94
Published	2025-04-28
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: webarena

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-28 14:15 UTCPublished CVE record published
2026-06-17 09:32 UTCUpdated Record last modified

webarena webarena UPGRADE

Affected: <= 0.2.0

Fixed in: newer than 0.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy webarena || rpm -q webarena || webarena --version

2. UPGRADE to newer than 0.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade webarena

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webarena

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-4022?

webarena: upgrade to newer than 0.2.0. Exact commands for each OS are on this page.

Is CVE-2025-4022 being exploited?

CVE-2025-4022 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-4022 affect?

CVE-2025-4022 affects webarena. Severity is medium (CVSS 6.3). 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 arg

How urgent is CVE-2025-4022?

Priority 39/100. Public exploit reference

References

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