Bludit up to 3.16.2 post content cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in Bludit up to 3.16.2. This issue affects some unknown processing. Performing a manipulation of the argument post content results in cross site scripting. This vulnerability is known as CVE-2026-27742. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Bludit up to 3.16.2. It has been classified as problematic. This affects an unknown code. The manipulation of the argument post content 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. The summary by CVE is:

Bludit version 3.16.2 contains a stored cross-site scripting (XSS) vulnerability in the post content functionality. The application performs client-side sanitation of content input but does not enforce equivalent sanitation on the server side. An authenticated user can inject arbitrary JavaScript into the content field of a post, which is stored and later rendered to other users without proper output encoding. When viewed, the injected script executes in the context of the victim’s browser, allowing session hijacking, credential theft, content manipulation, or other actions within the user’s privileges.

The weakness was published by Catalin Iovita as 1579. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-27742 since 02/23/2026. The exploitability is told to be easy. It is possible to initiate the attack 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

Name

• Bludit

Version

• 3.16.0
• 3.16.1
• 3.16.2

Website

• Product: https://github.com/bludit/bludit/

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

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