DogukanUrker flaskBlog HTML Template /user/ HTML injection

Summaryinfo

A vulnerability labeled as problematic has been found in DogukanUrker flaskBlog. This vulnerability affects unknown code of the file /user/ of the component HTML Template. Such manipulation leads to HTML injection. This vulnerability is listed as CVE-2024-22414. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in DogukanUrker flaskBlog (the affected version unknown). Affected by this issue is an unknown part of the file /user/ of the component HTML Template. The manipulation with an unknown input leads to a html injection 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. CVE summarizes:

flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/` page allows a user's comments to execute arbitrary javascript code. The html template `user.html` contains the following code snippet to render comments made by a user: `{{comment[2]|safe}}`. Use of the "safe" tag causes flask to _not_ escape the rendered content. To remediate this, simply remove the `|safe` tag from the HTML above. No fix is is available and users are advised to manually edit their installation.

The weakness was presented 01/18/2024 as GHSA-mrcw-j96f-p6v6. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-22414 since 01/10/2024. 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.

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Productinfo

Vendor

• DogukanUrker

Name

• flaskBlog

Website

• Product: https://github.com/DogukanUrker/flaskBlog/

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