CVE-2026-89264
MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identity
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 11, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 11, 2026
Description
MoguBlog through 6.2 fails to validate the comment author identity in the POST /web/comment/add endpoint, allowing authenticated users to post comments attributed to any other user. Attackers can supply arbitrary userUid values in the request body to impersonate other accounts including administrators.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
MoguBlogmoxi624 |
|
References
- C12 - POST /web/comment/add proof of conceptexploit
- CommentRestApi.add persists the author uid taken from the request bodytechnical-description
- MoguBlog releasesrelease-notes
- Productproduct
- VulnCheck Advisory: MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identitythird-party-advisory
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