JavaScript Notifier Plugin up to 1.2.8 on WordPress Setting wp_footer cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in JavaScript Notifier Plugin up to 1.2.8 on WordPress. Affected by this vulnerability is the function wp_footer of the component Setting Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2026-1191. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in JavaScript Notifier Plugin up to 1.2.8 on WordPress and classified as problematic. This vulnerability affects the function wp_footer of the component Setting 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. CVE summarizes:

The JavaScript Notifier plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin settings in all versions up to, and including, 1.2.8. This is due to insufficient input sanitization and output escaping on user-supplied attributes in the `wp_footer` action. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2026-1191. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation requires an enhanced level of successful authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-4553). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• WordPress Plugin

Name

• JavaScript Notifier Plugin

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.8

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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