konforti Listen Shortcode Plugin up to 1.0 on WordPress listenEmbedJS cross site scripting

Summaryinfo

A vulnerability described as problematic has been identified in konforti Listen Shortcode Plugin up to 1.0 on WordPress. Affected by this issue is the function listenEmbedJS of the component Shortcode Handler. The manipulation results in cross site scripting. This vulnerability is identified as CVE-2026-8887. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in konforti Listen Shortcode Plugin up to 1.0 on WordPress. Affected is the function listenEmbedJS of the component Shortcode 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 Listen Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'listen' shortcode in versions up to, and including, 1.0. This is due to insufficient input sanitization and output escaping on user supplied attributes (src, start, end) in the listenEmbedJS() function, which are echoed inside a single-quoted HTML attribute without escaping. 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 released by zakaria. The advisory is shared for download at wordfence.com. This vulnerability is traded as CVE-2026-8887 since 05/18/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• konforti

Name

• Listen Shortcode Plugin

Version

• 1.0

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Once again VulDB remains the best source for vulnerability data.

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