github - ghsa-w92j-c6gr-hj8r

GHSA-W92J-C6GR-HJ8R

Vulnerability from github – Published: 2025-08-11 21:31 – Updated: 2025-08-11 23:23

Summary

Mattermost Confluence Plugin has Improper Check for Unusual or Exceptional Conditions

Details

Mattermost Confluence Plugin versions < 1.5.0 fail to handle unexpected request bodies, allow\ing attackers to crash the plugin via constant hits to the server webhook endpoint with an invalid request body.

Severity ?

5.9 (Medium)


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

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-plugin-confluence"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.5.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-53514"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-754"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-08-11T23:23:42Z",
    "nvd_published_at": "2025-08-11T19:15:29Z",
    "severity": "MODERATE"
  },
  "details": "Mattermost Confluence Plugin versions \u003c 1.5.0 fail to handle unexpected request bodies, allow\\ing attackers to crash the plugin via constant hits to the server webhook endpoint with an invalid request body.",
  "id": "GHSA-w92j-c6gr-hj8r",
  "modified": "2025-08-11T23:23:42Z",
  "published": "2025-08-11T21:31:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-53514"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost-plugin-confluence"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost Confluence Plugin has Improper Check for Unusual or Exceptional Conditions"
}

CVE-2025-53514 (GCVE-0-2025-53514)

Vulnerability from cvelistv5 – Published: 2025-08-11 18:57 – Updated: 2025-08-11 19:36

Summary

Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body.

Severity ?

5.9 (Medium)


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

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

Mattermost

References

URL

Tags

https://mattermost.com/security-updates

Impacted products

	Vendor	Product	Version
	Mattermost	Mattermost Confluence Plugin	Affected: 0 , < 1.5.0 (semver) Unaffected: 1.5.0

Credits

Lorenzo Gallegos

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-53514",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-11T19:36:36.428993Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-11T19:36:46.050Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Mattermost Confluence Plugin",
          "repo": "https://github.com/mattermost/mattermost-plugin-confluence/",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThan": "1.5.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "1.5.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Lorenzo Gallegos"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Mattermost Confluence Plugin version \u003c1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-754",
              "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-11T18:57:01.515Z",
        "orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
        "shortName": "Mattermost"
      },
      "references": [
        {
          "url": "https://mattermost.com/security-updates"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Update Mattermost Confluence Plugin to version 1.5.0 or higher."
        }
      ],
      "source": {
        "advisory": "MMSA-2025-00476",
        "defect": [
          "https://mattermost.atlassian.net/browse/MM-64147"
        ],
        "discovery": "{\"self\"=\u003e\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=\u003e\"Internal\", \"id\"=\u003e\"10557\"}"
      },
      "title": "Unexpected Input to Server Webhook endpoint Causes DoS in Mattermost Confluence Plugin"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
    "assignerShortName": "Mattermost",
    "cveId": "CVE-2025-53514",
    "datePublished": "2025-08-11T18:57:01.515Z",
    "dateReserved": "2025-07-28T14:26:12.380Z",
    "dateUpdated": "2025-08-11T19:36:46.050Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-W92J-C6GR-HJ8R

CVE-2025-53514 (GCVE-0-2025-53514)

Tags

Sightings

Nomenclature