posimyththemes The Plus Addons for Elementor Plugin up to 6.4.9 on WordPress Shortcode Progress Bar cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in posimyththemes The Plus Addons for Elementor Plugin up to 6.4.9 on WordPress. This affects the function Progress Bar of the component Shortcode Handler. This manipulation causes cross site scripting. This vulnerability is tracked as CVE-2026-3311. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in posimyththemes The Plus Addons for Elementor Plugin up to 6.4.9 on WordPress and classified as problematic. Affected by this vulnerability is the function Progress Bar of the component Shortcode Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

The The Plus Addons for Elementor – Addons for Elementor, Page Templates, Widgets, Mega Menu, WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Progress Bar shortcode in all versions up to, and including, 6.4.9 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The weakness was disclosed by Osvaldo Noe Gonzalez Del Rio. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-3311 since 02/27/2026. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• posimyththemes

Name

• The Plus Addons for Elementor Plugin

Version

• 6.4.0
• 6.4.1
• 6.4.2
• 6.4.3
• 6.4.4
• 6.4.5
• 6.4.6
• 6.4.7
• 6.4.8
• 6.4.9

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

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• 🔒
• 🔒

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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