YesWiki Bazar Widget - Reflected XSS via 'id' Parameter
CVE-2026-52774
Verified
Description
YesWiki's Bazar widget handler reflects the id GET parameter into HTML attributes using strip_tags() only. strip_tags() does not escape double quotes, allowing an attacker to break out of the data-formid attribute and inject arbitrary event handlers.
Severity
Medium
CVSS Score
6.1
Exploit Probability
1%
Affected Product
yeswiki
Published Date
July 13, 2026
Template Author
0x_akoko
CVE-2026-52774.yaml
6.1Score
CVSS Metrics
CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVE ID:
cve-2026-52774
CWE ID:
cwe-79
Remediation Steps
Upgrade YesWiki to version 4.6.6 or later where output encoding is applied.