#VU36761 Cross-site scripting in MyBB - CVE-2018-15596

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Main Vulnerability Database Vulnerabilities #VU36761

#VU36761 Cross-site scripting in MyBB - CVE-2018-15596

Published: August 28, 2018 / Updated: June 17, 2021


Vulnerability identifier: #VU36761
Vulnerability risk: Low
CVSSv4.0: 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-2018-15596
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
MyBB
Software vendor:
MyBB Group

Description

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

An issue was discovered in inc/class_feedgeneration.php in MyBB 1.8.17. On the forum RSS Syndication page, one can generate a URL such as http://localhost/syndication.php?fid=&type=atom1.0&limit=15. The thread titles (within title elements of the generated XML documents) aren't sanitized, leading to XSS.


Remediation

Install update from vendor's website.

External links