How to fix CVE-2025-29594?

Within 30 days: Identify affected systems running the errorpage.php file of the CS2-WeaponPaints-Website and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is PHP affected by CVE-2025-29594?

Organizations using the errorpage.php file of the CS2-WeaponPaints-Website should be aware of moderate risk from CVE-2025-29594, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

PHP CVE-2025-29594

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-04-07 [email protected]

PHP XSS Information Disclosure

6.1

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:35 vuln.today

CVE Published

Apr 07, 2025 - 20:15 nvd

MEDIUM 6.1

DescriptionNVD

A vulnerability exists in the errorpage.php file of the CS2-WeaponPaints-Website v2.1.7 where user-controlled input is not adequately validated before being processed. Specifically, the $_GET['errorcode'] parameter can be manipulated to access unauthorized error codes, leading to Cross-Site Scripting (XSS) attacks and information disclosure.

AnalysisAI

A vulnerability exists in the errorpage.php file of the CS2-WeaponPaints-Website v2.1.7 where user-controlled input is not adequately validated before being processed. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A vulnerability exists in the errorpage.php file of the CS2-WeaponPaints-Website v2.1.7 where user-controlled input is not adequately validated before being processed. Specifically, the $_GET['errorcode'] parameter can be manipulated to access unauthorized error codes, leading to Cross-Site Scripting (XSS) attacks and information disclosure.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2025-29594 vulnerability details – vuln.today

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