XSS in Premio Chaty

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 Reflected Cross-Site Scripting

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Premio Chaty
  • Premio Chaty_pro
  • Unknown Floating Chat Widget: Contact Icons, Messages, Telegram, Email, Sms, Call Button – Chaty — versions 2.8.3
  • Unknown Floating Chat Widget Pro - Chaty — versions 2.8.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-25016?
CVE-2021-25016 is a medium-severity vulnerability in Premio Chaty, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-01-03.
How severe is CVE-2021-25016?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-25016 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.