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CVE-2026-89262— MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check

Quick assessment

Affected
moxi624 MoguBlog
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MoguBlog 在 6.2 版本中，其评论删除接口存在一个授权绕过漏洞。该接口在执行所有权校验时，依据的是请求体（request-body）中的字段，而非当前经过身份验证的用户（authenticated principal）的身份。攻击者可以通过从无需认证的列表接口中获取到的评论 UID 和作者 UID，来删除任意评论及其回复。

CVSS 7.5 · High
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I. Basic Information for CVE-2026-89262

Vulnerability Information
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Vulnerability Title
MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
moxi624 MoguBlog 0 ~ 6.2 -

II. Public POCs for CVE-2026-89262

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III. Intelligence Information for CVE-2026-89262

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Vendor Advisories for CVE-2026-89262 (1)

Proof of Concept for CVE-2026-89262 (1)

Security Blog Posts for CVE-2026-89262 (1)

Same Patch Batch · moxi624 · 2026-09-11 · 6 CVEs total

CVE-2026-89260 7.5 HIGH MoguBlog through 6.2 XML External Entity Injection in the Unauthenticated WeChat Callback
CVE-2026-89261 6.5 MEDIUM MoguBlog through 6.2 Missing Authentication for Elasticsearch Index Management Endpoints
CVE-2026-89263 5.3 MEDIUM MoguBlog through 6.2 Missing Authentication on the Comment Email-Notification Endpoint
CVE-2026-89264 4.3 MEDIUM MoguBlog through 6.2 Comment Author Spoofing via Request-Body Identity
CVE-2026-89265 4.3 MEDIUM MoguBlog through 6.2 Missing Authorization on the Admin getPictureSortByUid Endpoint

IV. Related Vulnerabilities

Same product: MoguBlog
Same vendor: moxi624
Same weakness: CWE-639

V. Comments for CVE-2026-89262

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