CVE-2025-1781

There is a XXE in W3CSS Validator versions before cssval-20250226 that allows an attacker to use specially-crafted XML objects to coerce server-side request forgery (SSRF). This could be exploited to read arbitrary local files if an attacker has access to exception messages.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/google/security-research/security/advisories/GHSA-745m-xmq6-g6x7	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:w3:css_validator:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-03-28 14:15

Updated : 2025-08-01 17:54

NVD link : CVE-2025-1781

Mitre link : CVE-2025-1781

CVE.ORG link : CVE-2025-1781

JSON object : View

Products Affected

w3

css_validator

CWE

CWE-611

Improper Restriction of XML External Entity Reference

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