GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2025-7739 (GCVE-0-2025-7739)

Vulnerability from cvelistv5 – Published: 2025-08-13 17:26 – Updated: 2025-08-13 20:36
VLAI
Title
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
Summary
An issue has been discovered in GitLab CE/EE affecting all versions from 18.2 before 18.2.2 that, under certain conditions, could have allowed authenticated users to achieve stored cross-site scripting by injecting malicious HTML content in scoped label descriptions.
Severity
8.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-13 20:36 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
URL Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/556111 issue-trackingpermissions-required
https://hackerone.com/reports/3255849 technical-descriptionexploitpermissions-required
Impacted products
Vendor Product Version CPE status
GitLab GitLab Affected: 18.2 , < 18.2.2 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-7739",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-13T20:36:10.445096Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-13T20:36:20.769Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "18.2.2",
              "status": "affected",
              "version": "18.2",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue has been discovered in GitLab CE/EE affecting all versions from 18.2 before 18.2.2 that, under certain conditions, could have allowed authenticated users to achieve stored cross-site scripting by injecting malicious HTML content in scoped label descriptions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "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": "2025-08-13T17:26:25.490Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "GitLab Issue #556111",
          "tags": [
            "issue-tracking",
            "permissions-required"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/556111"
        },
        {
          "name": "HackerOne Bug Bounty Report #3255849",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3255849"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to version 18.2.2 or above."
        }
      ],
      "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2025-7739",
    "datePublished": "2025-08-13T17:26:25.490Z",
    "dateReserved": "2025-07-17T06:04:25.028Z",
    "dateUpdated": "2025-08-13T20:36:20.769Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-7739",
      "date": "2026-09-16",
      "epss": "0.00311",
      "percentile": "0.24016"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-7739\",\"sourceIdentifier\":\"cve@gitlab.com\",\"published\":\"2025-08-13T18:15:32.883\",\"lastModified\":\"2026-06-17T10:05:33.673\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue has been discovered in GitLab CE/EE affecting all versions from 18.2 before 18.2.2 that, under certain conditions, could have allowed authenticated users to achieve stored cross-site scripting by injecting malicious HTML content in scoped label descriptions.\"},{\"lang\":\"es\",\"value\":\"Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones desde la 18.2 anterior a la 18.2.2 y que, en determinadas condiciones, podr\u00eda haber permitido a usuarios autenticados lograr Cross-Site Scripting almacenado mediante la inyecci\u00f3n de contenido HTML malicioso en las descripciones de etiquetas con alcance.\"}],\"affected\":[{\"source\":\"cve@gitlab.com\",\"affectedData\":[{\"vendor\":\"GitLab\",\"product\":\"GitLab\",\"defaultStatus\":\"unaffected\",\"cpes\":[\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*\"],\"repo\":\"git://git@gitlab.com:gitlab-org/gitlab.git\",\"versions\":[{\"version\":\"18.2\",\"lessThan\":\"18.2.2\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N\",\"baseScore\":8.7,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.3,\"impactScore\":5.8},{\"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}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-08-13T20:36:10.445096Z\",\"id\":\"CVE-2025-7739\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"cve@gitlab.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"18.2.0\",\"versionEndExcluding\":\"18.2.2\",\"matchCriteriaId\":\"F9A9F69D-06EC-4876-AAA3-B3BD737FBC01\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"18.2.0\",\"versionEndExcluding\":\"18.2.2\",\"matchCriteriaId\":\"CAFE4523-C681-44E4-A5E1-312D520EEBEE\"}]}]}],\"references\":[{\"url\":\"https://gitlab.com/gitlab-org/gitlab/-/issues/556111\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hackerone.com/reports/3255849\",\"source\":\"cve@gitlab.com\",\"tags\":[\"Permissions Required\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-08-15T17:30:34+00:00",
      "cve": "CVE-2025-7739",
      "id": "CVE-2025-7739",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in GitLab",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-7739.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-7739\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-08-13T20:36:10.445096Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-08-13T20:36:15.547Z\"}}], \"cna\": {\"title\": \"Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in GitLab\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Thanks [yvvdwf](https://hackerone.com/yvvdwf) for reporting this vulnerability through our HackerOne bug bounty program\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.7, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*\"], \"repo\": \"git://git@gitlab.com:gitlab-org/gitlab.git\", \"vendor\": \"GitLab\", \"product\": \"GitLab\", \"versions\": [{\"status\": \"affected\", \"version\": \"18.2\", \"lessThan\": \"18.2.2\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to version 18.2.2 or above.\"}], \"references\": [{\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/556111\", \"name\": \"GitLab Issue #556111\", \"tags\": [\"issue-tracking\", \"permissions-required\"]}, {\"url\": \"https://hackerone.com/reports/3255849\", \"name\": \"HackerOne Bug Bounty Report #3255849\", \"tags\": [\"technical-description\", \"exploit\", \"permissions-required\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An issue has been discovered in GitLab CE/EE affecting all versions from 18.2 before 18.2.2 that, under certain conditions, could have allowed authenticated users to achieve stored cross-site scripting by injecting malicious HTML content in scoped label descriptions.\"}], \"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\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"shortName\": \"GitLab\", \"dateUpdated\": \"2025-08-13T17:26:25.490Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-7739\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-13T20:36:20.769Z\", \"dateReserved\": \"2025-07-17T06:04:25.028Z\", \"assignerOrgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"datePublished\": \"2025-08-13T17:26:25.490Z\", \"assignerShortName\": \"GitLab\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.