What’s Vulnerable › Vulnerabilities

CVE-2011-4090

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-11-26 · updated 2026-06-16
• Weakness: CWE-79

Description

Serendipity before 1.6 has an XSS issue in the karma plugin which may allow privilege escalation.

Affected products

• s9y Serendipity: before 1.6 — fixed in 1.6

How to fix

Upgrade to a fixed version: s9y Serendipity 1.6. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/security/cve/cve-2011-4090
• https://seclists.org/oss-sec/2011/q4/176
• https://security-tracker.debian.org/tracker/CVE-2011-4090
• https://access.redhat.com/security/cve/cve-2011-4090
• https://seclists.org/oss-sec/2011/q4/176
• https://security-tracker.debian.org/tracker/CVE-2011-4090

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