CVE-2026-89264 PUBLISHED

MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identity

Assigner: VulnCheck
Reserved: 11.09.2026 Published: 11.09.2026 Updated: 11.09.2026

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.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS Vector: 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
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	moxi624
Product	MoguBlog
Versions	Default: unaffected affected from 0 to 6.2 (incl.)

CVE-2026-89264 PUBLISHED

MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identity

Metrics

Product Status

Credits

References

Problem Types