CVE-2026-89262
MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 11, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 11, 2026
Description
MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies by supplying comment UIDs and author UIDs obtained from unauthenticated listing endpoints.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
MoguBlogmoxi624 |
|
References
- C04 - POST /web/comment/delete proof of conceptexploit
- CommentRestApi.deleteBatch compares the stored author uid against a request-body fieldtechnical-description
- mogu_web WebSecurityConfig permits /web/comment/** for all callerstechnical-description
- MoguBlog releasesrelease-notes
- Productproduct
- VulnCheck Advisory: MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Checkthird-party-advisory
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