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Vulnerabilities

Vulnerability · CVE-2025-58666

Missing Authorization vulnerability in Kommo Website Chat Button: Kommo integration website-chat-button-kommo-integration allows Exploiting Incorrectly Configured Access Control Se

Published Sep 22, 2025 · catalog updated Apr 28, 2026 · Kommo Website Chat Button: Kommo integration

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-58666. EPSS is 0.26%. Act only if a listed version of Kommo Website Chat Button: Kommo integration is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.26%
Remediation
Advisory link
Affected products
vendor Kommo Website Chat Button: Kommo integration 0 ≤1.3.1

Missing Authorization vulnerability in Kommo Website Chat Button: Kommo integration website-chat-button-kommo-integration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Website Chat Button: Kommo integration: from n/a through <= 1.3.1.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Kommo Website Chat Button: Kommo integration 0 ≤1.3.10 ≤1.3.1

How to fix CVE-2025-58666

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-58666. EPSS is 0.26%. Act only if a listed version of Kommo Website Chat Button: Kommo integration is installed.

Which versions are affected?

Compare what you have installed with Kommo Website Chat Button: Kommo integration 0 ≤1.3.1 0 ≤1.3.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 22, 2025 · EUVD

    Detected

    Missing Authorization vulnerability in Kommo Website Chat Button: Kommo integration website-chat-button-kommo-integration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Website Chat Button: Kommo integration: from n/a through <= 1.3.1.

  2. Apr 28, 2026 · EUVD

    Updated

    Missing Authorization vulnerability in Kommo Website Chat Button: Kommo integration website-chat-button-kommo-integration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Website Chat Button: Kommo integration: from n/a through <= 1.3.1.

Sources

  • CVE.orgVulnerability recordCVE-2025-58666

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-58666

    30-day exploitation probability 0.26%

    first.org
  • EUVDVulnerability recordEUVD-2025-30531

    Missing Authorization vulnerability in Kommo Website Chat Button: Kommo integration website-chat-button-kommo-integration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Website Chat Button: Kommo integration: from n/a through <= 1.3.1.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 23, 2026
  • FIRST EPSSOct 23, 2026
  • EUVDOct 22, 2026