WordPress Chaty plugin <= 3.5.1 - Sensitive Data Exposure vulnerability

published 2026-03-05 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-9628

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits: 0; none known

Insertion of Sensitive Information Into Sent Data vulnerability in Premio Chaty chaty allows Retrieve Embedded Sensitive Data.This issue affects Chaty: from n/a through <= 3.5.1.

Patch / fix

fixed in 1

Premio Chaty 3.5.2

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 8 mo ago (2026-03-06)

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Premio Chaty

Classification

Weakness

CWE-201 Insertion of Sensitive Information Into Sent Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/chaty/vulnerability/wordpress-chaty-plugin-3-5-1-sensitive-data-exposure-vulnerabil
vdb-entry

Sources

CVE List CVE-2026-27370
NVD CVE-2026-27370

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary