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Findings

Vulnerability · CVE-2025-39381

Cross-Site Request Forgery (CSRF) vulnerability in Kiotviet KiotViet Sync allows Stored XSS.

Published Apr 24, 2025 · corrected/updated Apr 28, 2026 · Kiotviet KiotViet Sync · evidence confidence high

Cross-Site Request Forgery (CSRF) vulnerability in Kiotviet KiotViet Sync allows Stored XSS. This issue affects KiotViet Sync: from n/a through 1.8.4.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-39381 is a high public vulnerability record for Kiotviet KiotViet Sync. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Kiotviet KiotViet Sync is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: Kiotviet KiotViet Sync n/a ≤1.8.4 (n/a ≤1.8.4). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.1, EPSS 15.0%. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

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. Apr 24, 2025 · EUVD

    Detected

    Cross-Site Request Forgery (CSRF) vulnerability in Kiotviet KiotViet Sync allows Stored XSS. This issue affects KiotViet Sync: from n/a through 1.8.4.

  2. Apr 28, 2026 · EUVD

    Updated

    Cross-Site Request Forgery (CSRF) vulnerability in Kiotviet KiotViet Sync allows Stored XSS. This issue affects KiotViet Sync: from n/a through 1.8.4.

Affected

  • vendor Kiotviet KiotViet Sync n/a ≤1.8.4n/a ≤1.8.4

Sources

  • CVE.orgVulnerability recordCVE-2025-39381

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-12072

    Cross-Site Request Forgery (CSRF) vulnerability in Kiotviet KiotViet Sync allows Stored XSS. This issue affects KiotViet Sync: from n/a through 1.8.4.

    euvd.enisa.europa.eu

References