#VU45304 Cross-site scripting in MoinMoin - CVE-2011-1058

Vulnerability identifier: #VU45304

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2011-1058

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MoinMoin
Web applications / CMS

Vendor: MoinMoin

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the reStructuredText (rst) parser in parser/text_rst.py in MoinMoin before 1.9.3, when docutils is installed or when "format rst" is set,. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

MoinMoin: 0.1 - 1.9.1

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2011-March/054544.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-March/055116.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-March/055124.html
https://moinmo.in/SecurityFixes
https://secunia.com/advisories/43413
https://secunia.com/advisories/43665
https://secunia.com/advisories/50885
https://www.debian.org/security/2011/dsa-2321
https://www.securityfocus.com/bid/46476
https://www.ubuntu.com/usn/USN-1604-1
https://www.vupen.com/english/advisories/2011/0455
https://www.vupen.com/english/advisories/2011/0571
https://www.vupen.com/english/advisories/2011/0588
https://exchange.xforce.ibmcloud.com/vulnerabilities/65545

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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.