CVE-2018-25246: Wikipedia 12.0 Denial of Service via Search

Published Apr 4, 2026
·
Updated

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.

Affected Software

1 affected component
Wikimedia Foundation Wikipedia=12.0

Event History

Apr 4, 2026
CVE Published
via MITRE·07:59 PM
Data Sourced
via MITRE·07:59 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2018-25246?

CVE-2018-25246 is classified as a denial of service vulnerability, allowing attackers to crash the application.

2

How do I fix CVE-2018-25246?

To mitigate CVE-2018-25246, you should update to a newer version of Wikipedia that resolves this vulnerability.

3

Who is affected by CVE-2018-25246?

CVE-2018-25246 affects all users of Wikipedia version 12.0.

4

What type of attack does CVE-2018-25246 involve?

CVE-2018-25246 involves an attack that sends oversized input through the search functionality to crash the application.

5

Is CVE-2018-25246 exploitable by authenticated users?

No, CVE-2018-25246 can be exploited by unauthenticated attackers.

Contact

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