CVE-2026-6147
8.8 HIGHPublished 2026-08-05 · Updated 2026-08-05
AI risk analysis
- Summary
- The LightSync Pro plugin for WordPress allows attackers to upload arbitrary files due to missing file type validation, posing a risk of remote code execution.
- Exploitability
- Exploitation requires an authenticated attacker with Author-level access or higher and is relatively straightforward given the lack of proper input validation.
- Blast radius
- If exploited, this vulnerability could lead to full server compromise and potential data loss for affected WordPress sites.
- Prioritized remediation
- Update the LightSync Pro plugin to the latest version immediately to mitigate the risk.
rceauth-bypasswebwordpress
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD 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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-434
All references
- https://plugins.trac.wordpress.org/browser/lightsyncpro/tags/2.0.1/includes/admin/class-admin.php#L6755
- https://plugins.trac.wordpress.org/browser/lightsyncpro/tags/2.0.1/includes/admin/class-admin.php#L6814
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3507389%40lightsyncpro%2Ftrunk&old=3476495%40lightsyncpro%2Ftrunk&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9ccdf08b-8b74-4b58-8779-3b07ef2d7b2f?source=cve
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.