Vulnerability-Lookup

GHSA-92WH-XP96-V6MJ

Vulnerability from github – Published: 2026-09-11 18:31 – Updated: 2026-09-11 18:31

Details

MoguBlog through 6.2 contains an XML external entity injection vulnerability in the WeChat callback handler at POST /wechat/wechatCheck. The WechatRestApi.index() method passes the raw request body to SignUtil.xmlToMap(), which uses an unhardened dom4j SAXReader without DTD or external-entity restrictions. Unauthenticated remote attackers can submit DOCTYPE declarations with external parameter entities to read arbitrary local files or trigger outbound HTTP requests, with resolved entities reflected in error responses.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-89260"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-611"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-11T16:17:50Z",
    "severity": "HIGH"
  },
  "details": "MoguBlog through 6.2 contains an XML external entity injection vulnerability in the WeChat callback handler at POST /wechat/wechatCheck. The WechatRestApi.index() method passes the raw request body to SignUtil.xmlToMap(), which uses an unhardened dom4j SAXReader without DTD or external-entity restrictions. Unauthenticated remote attackers can submit DOCTYPE declarations with external parameter entities to read arbitrary local files or trigger outbound HTTP requests, with resolved entities reflected in error responses.",
  "id": "GHSA-92wh-xp96-v6mj",
  "modified": "2026-09-11T18:31:25Z",
  "published": "2026-09-11T18:31:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89260"
    },
    {
      "type": "WEB",
      "url": "https://gitee.com/moxi159753/mogu_blog_v2/releases"
    },
    {
      "type": "WEB",
      "url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C10_wechat_callback_unsigned.py"
    },
    {
      "type": "WEB",
      "url": "https://github.com/moxi624/mogu_blog_v2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_utils/src/main/java/com/moxi/mogublog/utils/wechat/SignUtil.java"
    },
    {
      "type": "WEB",
      "url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/WechatRestApi.java"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/mogublog-through-6.2-xml-external-entity-injection-in-the-unauthenticated-wechat-callback-endpoint"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-89260 (GCVE-0-2026-89260)

Vulnerability from cvelistv5 – Published: 2026-09-11 15:25 – Updated: 2026-09-11 20:29

Title

MoguBlog through 6.2 XML External Entity Injection in the Unauthenticated WeChat Callback Endpoint

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-11 16:49 UTC

CWE

CWE-611 - Improper Restriction of XML External Entity Reference

Assigner

VulnCheck mitre root

References

6 references

URL	Tags
https://github.com/LinYuanyi1/cve-request-poc/blo…	exploit
https://github.com/moxi624/mogu_blog_v2/blob/025d…	technical-description
https://github.com/moxi624/mogu_blog_v2/blob/025d…	technical-description
https://gitee.com/moxi159753/mogu_blog_v2/releases	release-notes
https://github.com/moxi624/mogu_blog_v2	product
https://www.vulncheck.com/advisories/mogublog-thr…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
moxi624	MoguBlog	Affected: 0 , ≤ 6.2 (custom) cpe:2.3:a:mogublog_project:mogublog::::::::

Date Public

2026-09-11 00:00

Credits

Mingsheng Lin

Show details on NVD website

JSON

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                "id": "CVE-2026-89260",
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                  },
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                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-11T16:49:37.906838Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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GHSA-92WH-XP96-V6MJ

CVE-2026-89260 (GCVE-0-2026-89260)

Tags

Sightings

Nomenclature

Related by attack behaviour