CVE-2025-11175

HIGH

8.8

CVSS v4

Description

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') vulnerability in The Wikimedia Foundation Mediawiki - DiscussionTools Extension allows Regular Expression Exponential Blowup.This issue affects Mediawiki - DiscussionTools Extension: 1.44, 1.43.

CWE-917

How to fix

Remediation Available

mediawikiDebian

Fixed in:1:1.43.6+dfsg-1~deb13u1CVE-2025-11175

Fixed in:1:1.43.5+dfsg-1CVE-2025-11175

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

CVSS v4 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

0.44%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Other references4

Related Vulnerabilities

Other CWE-917 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-26134	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-26084	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-45046	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2022-22963	Critical	9.8	100%	KEV	-
CVE-2020-10199	High	8.8	99%	KEV	Fix

Common questions

How do I fix CVE-2025-11175?

Upgrade mediawiki on debian 13 to 1:1.43.6+dfsg-1~deb13u1 or later.

Is CVE-2025-11175 being actively exploited?

Not that we know of. CVE-2025-11175 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.44% is the estimated probability that it will be exploited in the next 30 days. That is higher than 37% of all scored CVEs.

How severe is CVE-2025-11175?

CVE-2025-11175 has a CVSS v4 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2025-11175 affect?

Published advisories record a fix for mediawiki (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2025-11175

Markdown

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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 2026-06-17.