CVE-2026-6147

8.8 HIGH

Published 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 for users with Author-level access or higher.
Exploitability: Exploitation is relatively straightforward for attackers with Author-level access, as no specific file type validation is in place.
Blast radius: If exploited, this vulnerability could lead to full server compromise, allowing attackers to execute arbitrary code and potentially gain control over the affected WordPress site.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to LightSync Pro version 2.1.7 or later.

rcewebuploadauth-bypass

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

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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