CVE-2019-6780

MEDIUM

Wise Chat < 2.7 - Open Redirect via External Link Handling

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-6780. PoCs published by MTK.

AI-analyzed exploit summary This exploit demonstrates a reverse tabnabbing vulnerability in WordPress Plugin WiseChat <= 2.6.3. It leverages a malicious URL sent via chat to redirect the parent tab to an attacker-controlled site without user interaction.

Description

The Wise Chat plugin before 2.7 for WordPress mishandles external links because rendering/filters/post/WiseChatLinksPostFilter.php omits noopener and noreferrer.

Exploits (1)

exploitdb WORKING POC
by MTK · textwebappsphp
https://www.exploit-db.com/exploits/46247

This exploit demonstrates a reverse tabnabbing vulnerability in WordPress Plugin WiseChat <= 2.6.3. It leverages a malicious URL sent via chat to redirect the parent tab to an attacker-controlled site without user interaction.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: WordPress Plugin WiseChat up to V2.6.3
No auth needed
Prerequisites: Victim must click on a malicious URL sent via WiseChat
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://wordpress.org/plugins/wise-chat/#developers
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/46247/

Scores

CVSS v3 6.1
EPSS 0.0492
EPSS Percentile 91.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-601
Status published
Products (1)
kaine/wise_chat < 2.7
Published Jan 24, 2019
Tracked Since Feb 18, 2026