WORDFENCE-18557f4a-05b2-4cb4-afef-19c5c63c37a4 critical

Description

The "LB Mixed Slideshow for WordPress" plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation via the upload.php file in versions up to, and including, 1.0. This makes it possible for attackers to upload arbitrary files on the affected sites server which may make remote code execution possible. Affected software — plugin: LB Mixed Slideshow for WordPress (affected: *-1.0). CVSS 9.8 (Critical) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Indicators of Compromise (0)

No indicators of compromise on this threat.

References (2)

• Wordfence vulnerability detail Wordfence
• https://www.wordfence.com/threat-intel/vulnerabilities/id/18557f4a-05b2-4cb4-afef-19c5c63c37a4?source=api-prod Wordfence

• Wordfence remediation: LB Mixed Slideshow for WordPress
  Wordfence

  No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

  2026-06-06 16:24 UTC

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