What is CVE-2025-12677?

CVE-2025-12677 is a medium-severity vulnerability in Mykiot Kiotviet Sync, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-11-05.

How severe is CVE-2025-12677?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Mykiot Kiotviet Sync

CVE-2025-12677

The KiotViet Sync plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.5 via the register_api_route() function in kiotvietsync/includes/public_actions/WebHookAction.php. This makes it possible for unauthenticated attackers to extract the webhook token value when configured.

Vulnerability class: Information Disclosure

EPSS: 0.002 (16.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mykiot Kiotviet Sync — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

Frequently asked questions

What is CVE-2025-12677?: CVE-2025-12677 is a medium-severity vulnerability in Mykiot Kiotviet Sync, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-11-05.
How severe is CVE-2025-12677?: Medium severity. CVSS v3 base score is 5.3 out of 10.