CVE-2025-6220
Published: 18 June 2025
Summary
CVE-2025-6220 is a high-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Themefic Ultimate Addons For Contact Form 7. Its CVSS base score is 7.2 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 12.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the save_options function. The issue affects all versions through 3.5.12 and is tracked as CWE-434 with a CVSS 3.1 score of 7.2.
Authenticated users with Administrator privileges or higher can exploit the flaw by supplying crafted input to the affected function, allowing upload of arbitrary files to the server and potential remote code execution.
Public references, including the plugin's Trac changeset 3288584 and Wordfence advisory, indicate that the vendor addressed the missing validation in a subsequent release; site administrators should apply the update promptly to eliminate the upload path.
EPSS remains flat at 0.0359 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-28707
Vulnerability details
The Ultra Addons for Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'save_options' function in all versions up to, and including, 3.5.12. This makes it possible for authenticated…
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attackers, with Administrator-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The vulnerability enables authenticated (Administrator+) arbitrary file upload to a web-accessible directory in a public-facing WordPress plugin, allowing deployment of web shells for remote code execution.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.