#VU45095 Cross-site scripting in Mojolicious - CVE-2011-1841

Vulnerability identifier: #VU45095

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2011-1841

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mojolicious
Other software / Other software solutions

Vendor: SRI

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in the link_to helper in Mojolicious before 1.12. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Mojolicious: 0.2 - 1.1

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External links
https://cpansearch.perl.org/src/KRAIH/Mojolicious-1.20/Changes
https://lists.fedoraproject.org/pipermail/package-announce/2011-May/060122.html
https://www.debian.org/security/2011/dsa-2239
https://www.securityfocus.com/bid/47713
https://exchange.xforce.ibmcloud.com/vulnerabilities/67257

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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.