CVE-2018-25246 | Wikipedia 12.0 search missing authentication (Exploit 45324 / EUVD-2018-21765)

VDB-355381 · CVE-2018-25246 · EXPLOIT 45324 WIKIPEDIA 12.0 SEARCH MISSING AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.1 $0-$5k 1.00 Summaryinfo A vulnerability was found in Wikipedia 12.0. It has been classified as critical. This issue affects the function Search. This manipulation causes missing authentication. This vulnerability is handled as CVE-2018-25246. The attack can be initiated remotely. Additionally, an exploit exists. Detailsinfo A vulnerability was found in Wikipedia 12.0. It has been declared as critical. Affected by this vulnerability is the function search. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect availability. The summary by CVE is: 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. The weakness was released by 0xB9 as 45324. The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2018-25246 since 04/04/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2018-21765). Productinfo Type Content Management System Name Wikipedia Version 12.0 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 6.4 VulDB Meta Temp Score: 6.1 VulDB Base Score: 5.3 VulDB Temp Score: 4.8 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.5 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Missing authentication CWE: CWE-306 / CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/04/2026 Advisory disclosed 04/04/2026 +0 days CVE reserved 04/04/2026 +0 days VulDB entry created 04/05/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 45324 Researcher: 0xB9 Status: Not defined CVE: CVE-2018-25246 (🔒) GCVE (CVE): GCVE-0-2018-25246 GCVE (VulDB): GCVE-100-355381 EUVD: 🔒 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/04/2026 22:10 Updated: 04/05/2026 01:03 Changes: 04/04/2026 22:10 (79), 04/05/2026 01:03 (1) Complete: 🔍 Cache ID: 99:467:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸