CVE-2026-116203
Published:October 25, 2026
Updated:November 04, 2026
YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in the filtertags action, which echoes attacker-controlled token values without output encoding. Anonymous attackers can inject markup via action-attribute parameters that bypasses the allow_raw_html gate, executing JavaScript for every page viewer.
Affected Packages
https://github.com/YesWiki/yeswiki.git (GITHUB):
Affected version(s) >=v5.0.0-alpha1 <v5.0.0-alpha7Fix Suggestion:
Update to version v5.0.0-alpha7https://github.com/YesWiki/yeswiki.git (GITHUB):
Affected version(s) >=v4.1.0 <v4.7.0Fix Suggestion:
Update to version v4.7.0yeswiki/yeswiki (PHP):
Affected version(s) >=v5.0.0-alpha1 <v5.0.0-alpha7Fix Suggestion:
Update to version v5.0.0-alpha7yeswiki/yeswiki (PHP):
Affected version(s) >=v4.1.0 <v4.7.0 || =4.2.3 <v4.7.0Fix Suggestion:
Update to version v4.7.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation
EPSS
Base Score:
0.17