CVE-2026-26276 (GCVE-0-2026-26276)

Vulnerability from cvelistv5 – Published: 2026-03-05 18:51 – Updated: 2026-03-07 04:55
VLAI?
Title
Gogs: DOM-based XSS via milestone selection
Summary
Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository’s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2.
Severity ?
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
gogs gogs Affected: < 0.14.2
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-26276",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-06T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-07T04:55:33.384Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "gogs",
          "vendor": "gogs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.14.2"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository\u2019s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-05T18:51:13.530Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c"
        },
        {
          "name": "https://github.com/gogs/gogs/pull/8178",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/gogs/gogs/pull/8178"
        },
        {
          "name": "https://github.com/gogs/gogs/releases/tag/v0.14.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/gogs/gogs/releases/tag/v0.14.2"
        }
      ],
      "source": {
        "advisory": "GHSA-vgjm-2cpf-4g7c",
        "discovery": "UNKNOWN"
      },
      "title": "Gogs: DOM-based XSS via milestone selection"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-26276",
    "datePublished": "2026-03-05T18:51:13.530Z",
    "dateReserved": "2026-02-12T17:10:53.413Z",
    "dateUpdated": "2026-03-07T04:55:33.384Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-26276\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-03-05T19:16:04.373\",\"lastModified\":\"2026-03-05T22:00:00.810\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository\u2019s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2.\"},{\"lang\":\"es\",\"value\":\"Gogs es un servicio Git autoalojado de c\u00f3digo abierto. Antes de la versi\u00f3n 0.14.2, un atacante puede almacenar una carga \u00fatil HTML/JavaScript en el nombre de un Hito de repositorio, y cuando otro usuario selecciona ese Hito en la p\u00e1gina de Nueva Incidencia (/issues/new), se activa un XSS basado en DOM. Este problema ha sido parcheado en la versi\u00f3n 0.14.2.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.1,\"impactScore\":5.2},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.3,\"impactScore\":2.7}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gogs:gogs:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"0.14.2\",\"matchCriteriaId\":\"0EDBB1E3-57E4-4560-A44F-7C54FD21C8B9\"}]}]}],\"references\":[{\"url\":\"https://github.com/gogs/gogs/pull/8178\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://github.com/gogs/gogs/releases/tag/v0.14.2\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-26276\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-06T18:06:04.673194Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-06T18:06:08.344Z\"}}], \"cna\": {\"title\": \"Gogs: DOM-based XSS via milestone selection\", \"source\": {\"advisory\": \"GHSA-vgjm-2cpf-4g7c\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"gogs\", \"product\": \"gogs\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 0.14.2\"}]}], \"references\": [{\"url\": \"https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c\", \"name\": \"https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/gogs/gogs/pull/8178\", \"name\": \"https://github.com/gogs/gogs/pull/8178\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/gogs/gogs/releases/tag/v0.14.2\", \"name\": \"https://github.com/gogs/gogs/releases/tag/v0.14.2\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository\\u2019s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-03-05T18:51:13.530Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-26276\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-07T04:55:33.384Z\", \"dateReserved\": \"2026-02-12T17:10:53.413Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-03-05T18:51:13.530Z\", \"assignerShortName\": \"GitHub_M\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.