CVE-2026-49777 WordPress Product Slider Pro for WooCommerce plugin < 3.5.4 - Backdoor vulnerability

Critical 10.0 Published Updated

Attackers can implant malicious software in Product Slider Pro for WooCommerce due to improper input validation, requiring immediate upgrade.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-49777?

CVE-2026-49777 is a critical code injection vulnerability in ShapedPlugin, LLC Product Slider Pro for WooCommerce, published on 5 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-1284

Which versions are affected by CVE-2026-49777?

How do I fix CVE-2026-49777?

No fix has been published for CVE-2026-49777 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-49777 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-49777 exists.

Public exploit code: 1 Nuclei template and 4 proofs of concept on GitHub.

Sources

Also known as GHSA-r843-rvx7-3rjg.

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