CVE-2025-55737

flaskBlog arbitrary comment delete

State
Published
Severity
6.9 Medium
Published
Aug 19, 2025
Updated
Aug 19, 2025
Reserved
Aug 14, 2025

Read the record on cve.org

Description

flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, when deleting a comment, there's no validation of the ownership of the comment. Every user can delete an arbitrary comment of another user on every post, by simply intercepting the delete request and changing the commentID. The code that causes the problem is in routes/post.py.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:NGitHub_M

Weaknesses

  • CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

ProductVersions
FlaskBlogDogukanUrker
  • <= 2.8.0Affected

References

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