Python
CVE-2024-22414
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
flaskBlog is a simple blog app built with Flask. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Dogukanurker Flaskblog.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
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External POC / Exploit Code
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