CVE-2024-22414

flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/<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: `<div class="content" tag="content">{{comment[2]|safe}}</div>`. 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.

• CWE-79

• https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6Exploit, Vendor Advisory
• https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-mrcw-j96f-p6v6Exploit, Vendor Advisory

Published

Jan 17, 2024

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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