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CVE-2019-6780

26
FAUCET Score

CVE-2019-6780 describes a reverse tabnabbing vulnerability in the Wise Chat plugin for WordPress, affecting versions prior to 2.7. This medium-severity vulnerability (CVSS 6.1) arises from the plugin's failure to include 'noopener' and 'noreferrer' attributes on external links, allowing malicious sites to hijack the originating tab. While not actively exploited in the wild and not on the KEV catalog, a proof-of-concept exploit (EDB-46247) exists. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.7CPE matchmatch criteria
cpe:2.3:a:kaine:wise_chat:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.92%
Probability of exploitation in next 30 days
EPSS Percentile
91.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-46247 · Jan 25, 2019
This CVE's current EPSS score of 0.0492 is in the 96th percentile among its peer group of 26,219 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / changeset/2016929/wise-chat/trunk/src/rendering/filters/post/WiseChatLinksPostFilter.php
PatchThird Party Advisory
wordpress.org / plugins/wise-chat
Release NotesThird Party Advisory
exploit-db.com / exploits/46247
ExploitThird Party Advisory