CVE-2025-1781CWE-611

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…

High · published March 28, 2025

CVSS v4.0
8.4
EPSS
0%
Percentile
32.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.4 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L
EPSS
0.00393 · 32.3th percentile
Weakness
CWE-611 · Improper Restriction of XML External Entity Reference
Published
2025-03-28T13:48Z
EPSS history
Timeline
  • 28 MAR 13:48Z
    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…
    cvelistv5