What’s Vulnerable › Vulnerabilities

CVE-2017-8811

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-15 · updated 2026-06-17
• Weakness: CWE-20

Description

The implementation of raw message parameter expansion in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows HTML mangling attacks.

Affected products

• Debian Linux: 9.0
• Wikimedia Foundation MediaWiki: through 1.27.3; 1.28.0, 1.28.1, 1.28.2, 1.29.0, 1.29.1

References

• http://www.securitytracker.com/id/1039812
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html
• https://www.debian.org/security/2017/dsa-4036
• http://www.securitytracker.com/id/1039812
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html
• https://www.debian.org/security/2017/dsa-4036

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