CVE-2026-81784
WordPress Wise Chat plugin <= 3.4 - PHP Object Injection vulnerability
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
Unauthenticated PHP Object Injection in Wise Chat <= 3.4 versions.
| CWE | CWE-502 |
| Vendor | marcin |
| Product | wise chat |
| Published | Sep 10, 2026 |
| Last Updated | Sep 10, 2026 |
Stay Ahead of the Next One
Get instant alerts for marcin wise chat
Be the first to know when new high vulnerabilities affecting marcin wise chat are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Marcin / Wise Chat
n/a ≤ 3.4
References
Credits
Peng Zhou | Patchstack Bug Bounty Program