Description
SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in include/functions.php does not properly block XSS payloads, as demonstrated by a crafted use of the onerror attribute of an IMG element.
Metrics
CVSS 3.0 5.4/10
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Jul 18, 2019
- Last modified
- Jun 17, 2026
- NVD status
- Modified