CVE-2026-49777 Scanner

The WordPress Product Slider Pro for WooCommerce plugin is utilized by numerous online retailers to enhance their websites' functionality by providing dynamic product display capabilities. Developed by ShapedPlugin, LLC, it integrates seamlessly with WooCommerce, one of the most popular e-commerce platforms. This plugin is widely adopted by WordPress website administrators due to its ease of use and customization options. It helps businesses to showcase their products in an appealing and interactive manner, thus potentially increasing user engagement and sales. The flexibility and wide range of features included in the plugin make it an essential tool for many e-commerce websites wanting to improve their product presentation. Due to its popularity, any vulnerabilities within this plugin can have widespread implications across numerous WordPress sites.

The vulnerability present in the WordPress Product Slider Pro for WooCommerce plugin pertains to a backdoor that can be exploited by attackers. Affected versions allow unauthorized users to implant malicious software into the system. This flaw arises from improper validation of input quantities, paving the way for malicious actors to compromise the system's integrity. The critical nature of this exposure poses a severe threat to websites using the plugin, as it could lead to unauthorized access and control by attackers. Vigilant action is necessary to mitigate these risks by addressing the vulnerability and ensuring the security of affected systems.

Technical details of the vulnerability reveal that it lies within the mechanism handling specific input parameters of the plugin. Due to insufficient input validation, hackers can manipulate the input values processed by the plugin, thereby gaining unauthorized access. The vulnerability impacts systems running versions of the plugin before the 3.5.4 update. Critical code paths related to evaluating cache status and cache keys in the HTTP responses are particularly susceptible to this flaw. Implementing robust validation measures and patching affected systems are crucial to prevent exploitation by adversaries.

In cases where this backdoor vulnerability is exploited, systems may experience significant security breaches. Cyber attackers could implant malicious software, leading to the potential compromise of sensitive data and overall system integrity. Such unauthorized access may allow hackers to carry out further devastating actions, such as data theft, system control manipulation, and service disruption. This increases the risk of severe financial losses, legal liabilities, and reputational damage for businesses relying on the WordPress Product Slider Pro for WooCommerce plugin.

REFERENCES

• https://patchstack.com/database/wordpress/plugin/woo-product-slider-pro/vulnerability/wordpress-product-slider-pro-for-woocommerce-plugin-3-5-2-backdoor-vulnerability
• https://patchstack.com/articles/critical-supply-chain-compromise-in-smart-slider-3-pro-full-malware-analysis/
• https://nvd.nist.gov/vuln/detail/CVE-2026-49777