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CVE-2026-49777

WordPress Product Slider Pro for WooCommerce plugin < 3.5.4 - Backdoor vulnerability

Published: Jun 5, 2026Updated: Jul 23, 2026 Sources: CVE List NVDCWE-1284

Description

Improper Validation of Specified Quantity in Input vulnerability in ShapedPlugin, LLC Product Slider Pro for WooCommerce allows Malicious Software Implanted. This issue affects Product Slider Pro for WooCommerce: from n/a before 3.5.4.

In plain language

AI Act now

CVE-2026-49777 is a critical backdoor-style flaw in the “Product Slider Pro for WooCommerce” WordPress plugin (before version 3.5.4), and a typical small business using this plugin should act immediately to update it.

What to do

  1. Update “Product Slider Pro for WooCommerce” to version 3.5.4 or later right away.
  2. If you can’t update immediately, temporarily disable the plugin until you can.
  3. Ask your website/IT person to check the website files and plugin folder for unexpected changes and review recent admin/hosting activity around the time of the incident.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

Affected Products

Exploitability

Official Patch Available

References

3

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