High severity8.1NVD Advisory· Published Sep 10, 2026· Updated Oct 6, 2026No known patch
CVE-2026-81784
No known patch is available for this vulnerability.
The affected plugin has not been updated on WordPress.org since before this CVE was disclosed; the latest installable version is still vulnerable. If you have the affected software installed, you should uninstall or replace it rather than wait for an update.
CVE-2026-81784
Description
Deserialization of Untrusted Data vulnerability in Marcin Wise Chat wise-chat allows Object Injection.This issue affects Wise Chat: from n/a through 3.4.2.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2<=3.4+ 1 more
- (no CPE)range: <=3.4
- (no CPE)range: <=3.4.2
Patches
Vulnerability mechanics
References
1News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (September 7, 2026 to September 13, 2026)Wordfence Blog · Sep 17, 2026