CVE-2018-25246

HIGH

Wikipedia 12.0 Denial of Service via Search

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25246. PoCs published by 0xB9.

AI-analyzed exploit summary This PoC exploits a buffer overflow vulnerability in Wikipedia 12.0 by generating a large payload of 'A' characters, which crashes the application when pasted into the search bar. The script creates a file 'wiki.txt' containing the malicious payload.

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by 0xB9 · pythondoswindows
https://www.exploit-db.com/exploits/45324

This PoC exploits a buffer overflow vulnerability in Wikipedia 12.0 by generating a large payload of 'A' characters, which crashes the application when pasted into the search bar. The script creates a file 'wiki.txt' containing the malicious payload.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Wikipedia 12.0
No auth needed
Prerequisites: Python environment to run the script · Wikipedia 12.0 installed on Windows 10
devstral-2 · analyzed Apr 07, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit exploit
ExploitDB-45324
https://www.exploit-db.com/exploits/45324

Scores

CVSS v3 7.5
EPSS 0.0036
EPSS Percentile 27.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-306
Status published
Products (1)
Wikipedia/Wikipedia 12.0
Published Apr 04, 2026
Tracked Since Apr 05, 2026