JoomShaper SP Page Builder Extension up to 5.6.1p2 Dynamic Content Filter Addon dc_filter_ cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in JoomShaper SP Page Builder Extension up to 5.6.1p2. The affected element is an unknown function of the component Dynamic Content Filter Addon. The manipulation of the argument dc_filter_ leads to cross site scripting. This vulnerability is traded as CVE-2026-102426. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in JoomShaper SP Page Builder Extension up to 5.6.1p2. It has been rated as problematic. This issue affects some unknown functionality of the component Dynamic Content Filter Addon. The manipulation of the argument dc_filter_ with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

Joomla Extension - joomshaper.com - Reflected XSS in the Dynamic Content Filter addon in SP Page Builder Pro 3.0.0 - 5.6.1p2 - The slider minimum and maximum values are taken from the dc_filter_<fieldId> request parameter, split on the delimiter "l-r", HTML-escaped inside the data-value attribute, and then echoed without escaping as the span element's text content. An unauthenticated attacker reflects arbitrary HTML or JavaScript into the rendered page through a crafted dc_filter_<fieldId> value.

It is possible to read the advisory at joomshaper.com. The identification of this vulnerability is CVE-2026-102426 since 09/29/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

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Productinfo

Vendor

• JoomShaper

Name

• SP Page Builder Extension

Version

• 5.6.1p2

CPE 2.3info

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CPE 2.2info

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