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CVE-2025-12677

KiotViet Sync <= 1.8.5 - Unauthenticated Webhook Key Exposure

MEDIUM
5.3
CVSS Score
Published: November 5, 2025 at 07:27 AM UTC
Updated: October 18, 2026 at 09:10 PM UTC
1 product affected across 1 vendorKiotViet Sync

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

KiotViet Sync· Mykiotwordpress-plugin
90%
0 ≤ v ≤ 1.8.50

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://www.wordfence.com/threat-intel/vulnerabilities/id/1114a84e-3425-402f-bcdc-a2ee05b2dbc9?source=cve
Source: cverecord
https://wordpress.org/plugins/kiotvietsync/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200

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