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Weakness (CWE) CWE-611 Improper Restriction of XML External Entity Reference 1

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Vendor: W3 × Component: Css Validator × Clear all filters

TI-2025-01533 CVE-2025-1781

XML external entity injection in w3c CSS Validator

Priority HIGH 76

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).

CVSS 4.0HIGH 8.4· Network · Low privileges · No interaction · EPSS 0.00393 · Published 2025-03-28 · No fix listed CWE-611

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