Vulnerability Description
The LightSync Pro plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the rest_replace_media() function in all versions up to, and including, 2.1.6. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/lightsyncpro/tags/2.0.1/includes/admi
- https://plugins.trac.wordpress.org/browser/lightsyncpro/tags/2.0.1/includes/admi
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9ccdf08b-8b74-4b58-877
FAQ
What is CVE-2026-6147?
CVE-2026-6147 is a vulnerability with a CVSS score of 8.8 (HIGH). The LightSync Pro plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the rest_replace_media() function in all versions up to, and including, 2.1.6. Thi...
How severe is CVE-2026-6147?
CVE-2026-6147 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-6147?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.