#VU30478 Cross-site scripting in Zenphoto - CVE-2015-5593

Vulnerability identifier: #VU30478

Vulnerability risk: Low

CVSSv4.0: 1.2 [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:U/U:Clear]

CVE-ID: CVE-2015-5593

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zenphoto
Web applications / CMS

Vendor: Zenphoto

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 passed via "The sanitize_string function" when wrapping a payload in "<<script></script>script>payload<script></script></script>", or in an image tag, with the payload as the onerror event. 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
Update to version 1.4.9.

Vulnerable software versions

Zenphoto: 1.4.0.1 - 1.4.8

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External links
https://www.openwall.com/lists/oss-security/2015/07/18/3
https://www.zenphoto.org/news/zenphoto-1.4.9
https://software-talk.org/blog/2015/07/second-order-sql-injection-reflected-xss-path-traversal-function-execution-vulnerability-zenphoto/

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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.