CVE-2021-25016: The Chaty WordPress plugin before 2.8.3 and Chaty Pro WordPress plugin before 2.8.2 do not sanitise and escape the search parameter before outputting it back in the admin dashboard, leading to a Refle

medium Affects chaty (WordPress plugin), chaty-pro (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The Chaty WordPress plugin before 2.8.3 and Chaty Pro WordPress plugin before 2.8.2 do not sanitise and escape the search parameter before outputting it back in the admin dashboard, leading to a Refle

Package
chaty (WordPress plugin) WordPress
Affected versions
<2.8.3
Fixed in
2.8.3
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 2% (79.9th percentile)
Published
2022-01-03
Source
nvd

References

The Chaty WordPress plugin before 2.8.3 and Chaty Pro WordPress plugin before 2.8.2 do not sanitise and escape the search parameter before outputting it back in the admin dashboard, leading to a Refle

Package
chaty-pro (WordPress plugin) WordPress
Affected versions
<2.8.2
Fixed in
2.8.2
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 2% (79.9th percentile)
Published
2022-01-03
Source
nvd

References

CWE-79
NVD recordchaty (WordPress plugin) advisorieschaty-pro (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories