pixelwelt Image Sizes on Demand Plugin up to 1.3 on WordPress Setting cross site scripting

Summaryinfo

A vulnerability was found in pixelwelt Image Sizes on Demand Plugin up to 1.3 on WordPress. It has been declared as problematic. This vulnerability affects unknown code of the component Setting Handler. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2026-8622. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in pixelwelt Image Sizes on Demand Plugin up to 1.3 on WordPress. Affected is some unknown processing of the component Setting Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes:

The Image Sizes on Demand plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via PHP_SELF Server Variable in all versions up to, and including, 1.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The injected payload only executes in the context of an administrator, as the settings page requires the manage_options capability to render.

The weakness was shared by Abdulsamad Yusuf. The advisory is available at wordfence.com. This vulnerability is traded as CVE-2026-8622 since 05/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

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

Type

• WordPress Plugin

Vendor

• pixelwelt

Name

• Image Sizes on Demand Plugin

Version

• 1.0
• 1.1
• 1.2
• 1.3

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CPE 2.2info

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