Is CVE-2025-1781 in the CISA KEV catalog?

No. CVE-2025-1781 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-1781?

CVE-2025-1781 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-1781?

CVE-2025-1781 has an EPSS score of 0.36% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-1781?

Upgrade css validator to 20250226 or later.

CVE & CISA-KEV Catalog

CVE-2025-1781

MEDIUM

6.5

CVSS v3

NVD

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.

CWE-611XML External Entity (XXE)

How to fix

Remediation Available

css validatorNVD

Affected:< 20250226Fixed in:20250226CVE-2025-1781derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-611 (XML External Entity (XXE)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-34102	Critical	9.8	100%	KEV	Fix
CVE-2019-9670	Critical	9.8	100%	KEV	Fix
CVE-2022-28219	Critical	9.8	97%	-	-
CVE-2024-22024	High	8.3	95%	-	-
CVE-2024-38653	High	7.5	92%	-	-
CVE-2017-12629	Critical	9.8	92%	-	Fix

Embed a live status badge for CVE-2025-1781

Markdown

[![CVE-2025-1781](https://tridentstack.com/cve/badge/CVE-2025-1781.svg)](https://tridentstack.com/cve/CVE-2025-1781)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-1781"><img src="https://tridentstack.com/cve/badge/CVE-2025-1781.svg" alt="CVE-2025-1781"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-01.