CVE-2018-25246

HIGH 7.5

Wikipedia 12.0 Denial of Service via Search

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

13th

Wikipedia 12.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting oversized input through the search functionality. Attackers can paste a large buffer of repeated characters into the search bar to trigger an application crash.

CWE	CWE-306
Vendor	wikipedia
Product	wikipedia
Published	Apr 4, 2026
Last Updated	Apr 6, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Wikipedia / Wikipedia

12.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/45324 microsoft.com: https://www.microsoft.com/en-us/p/wikipedia/9wzdncrfhwm4?activetab=pivot%3aoverviewtab

Credits

0xB9