Medium severity6.5NVD Advisory· Published Mar 28, 2025· Updated Jun 17, 2026
CVE-2025-1781
CVE-2025-1781
Description
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.
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Affected products
2- W3C/CSS Validatorv5Range: < cssval-20250226
Patches
Vulnerability mechanics
References
1- github.com/google/security-research/security/advisories/GHSA-745m-xmq6-g6x7nvdExploitVendor Advisory
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