#VU30578 Cross-site scripting in Serendipity - CVE-2011-4090

Vulnerability identifier: #VU30578

Vulnerability risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear]

CVE-ID: CVE-2011-4090

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Serendipity
Other software / Other software solutions

Vendor: s9y.org

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

Serendipity: 1.0 beta1 - 1.5.5

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External links
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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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.