What is CVE-2025-6553?

CVE-2025-6553 is a critical-severity vulnerability in Ovatheme Events Manager, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-10-11.

How severe is CVE-2025-6553?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-6553 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Ovatheme Events Manager

CVE-2025-6553

The Ovatheme Events Manager plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the process_checkout() function in all versions up to, and including, 1.8.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Vulnerability class: Unrestricted File Upload

EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ovatheme Events Manager — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

Frequently asked questions

What is CVE-2025-6553?: CVE-2025-6553 is a critical-severity vulnerability in Ovatheme Events Manager, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-10-11.
How severe is CVE-2025-6553?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-6553 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.