What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-04 · updated 2026-07-21
• Weakness: CWE-306

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.

Affected products

• Wikipedia: 12.0

References

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

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