WordPress Plugin Vulnerabilities
One to one user Chat by WPGuppy <= 1.1.4 - Unauthenticated Information Disclosure via Chat Message Interception
Description
The plugin is vulnerable to unauthorized access of data due to a missing capability check on the /wp-json/guppylite/v2/channel-authorize rest endpoint. This makes it possible for unauthenticated attackers to intercept and view private chat messages between users.
Affects Plugins
No known fix References
Classification
Type
SENSITIVE DATA DISCLOSURE
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Jonas Benjamin Friedli
Verified
No
WPVDB ID
Timeline
Publicly Published
2026-02-13 (about 6 months ago)
Added
2026-02-14 (about 6 months ago)
Last Updated
2026-02-14 (about 6 months ago)
WPScan 