CVE-2018-15596

PoC —

CVSS 3.0

6.1 medium

EPSS

2%p82

Published

Aug 28, 2018 (Aug 28, 2018)

Modified

Jun 17, 2026

Description

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.

Vendors: mybb
Products: mybb
Weakness: CWE-79
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (2.3%)

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