#VU45288 Cross-site scripting in PmWiki - CVE-2010-4748

Vulnerability identifier: #VU45288

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-2010-4748

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PmWiki
Web applications / CMS

Vendor: pmwiki.org

Description

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

An input validation error exists in pmwiki.php in PmWiki 2.2.20 when processing from parameter to Main/WikiSandbox. NOTE: some of these details are obtained from third party information. A remote 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

PmWiki: 2.2.20

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External links
https://marc.info/?l=full-disclosure&m=129234473228351&w=2
https://packetstormsecurity.org/files/view/96687/pm-wiki-xss.txt
https://secunia.com/advisories/42608
https://securityreason.com/securityalert/8113
https://www.pmwiki.org/wiki/PmWiki/ChangeLog
https://www.pmwiki.org/wiki/PmWiki/ReleaseNotes

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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.