CVE-2026-15917 (GCVE-0-2026-15917)

Vulnerability from cvelistv5 – Published: 2026-08-25 22:22 – Updated: 2026-08-25 22:22
VLAI
Title
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011
Summary
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.2.*.
Severity
No CVSS data available.
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")
Assigner
References
Impacted products
Vendor Product Version CPE status
Drupal Drupal core Affected: 11.3.0 , < 11.3.14 (semver)
Affected: 11.4.0 , < 11.4.4 (semver)
Affected: 0.0.0 , < 11.2.* (semver)
guessed Create a notification for this product.
Date Public
2026-07-15 19:51
Credits
Pierre Rudloff (prudloff) Shawn Duncan (fathershawn) Pierre Rudloff (prudloff) catch (catch) Lee Rowlands (larowlan) Dave Long (longwave) Jess (xjm)
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://www.drupal.org/project/drupal",
          "product": "Drupal core",
          "repo": "https://git.drupalcode.org/project/drupal",
          "vendor": "Drupal",
          "versions": [
            {
              "lessThan": "11.3.14",
              "status": "affected",
              "version": "11.3.0",
              "versionType": "semver"
            },
            {
              "lessThan": "11.4.4",
              "status": "affected",
              "version": "11.4.0",
              "versionType": "semver"
            },
            {
              "lessThan": "11.2.*",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Pierre Rudloff (prudloff)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Shawn Duncan (fathershawn)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Pierre Rudloff (prudloff)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "catch (catch)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Lee Rowlands (larowlan)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Dave Long (longwave)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Jess  (xjm)"
        }
      ],
      "datePublic": "2026-07-15T19:51:57.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.2.*."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-63",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-63 Cross-Site Scripting (XSS)"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\")",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-25T22:22:23.680Z",
        "orgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
        "shortName": "drupal"
      },
      "references": [
        {
          "url": "https://www.drupal.org/sa-core-2026-011"
        }
      ],
      "title": "Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
    "assignerShortName": "drupal",
    "cveId": "CVE-2026-15917",
    "datePublished": "2026-08-25T22:22:23.680Z",
    "dateReserved": "2026-07-15T19:41:26.226Z",
    "dateUpdated": "2026-08-25T22:22:23.680Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-15917\",\"sourceIdentifier\":\"mlhess@drupal.org\",\"published\":\"2026-08-25T23:16:56.437\",\"lastModified\":\"2026-08-25T23:16:56.437\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Improper Neutralization of Input During Web Page Generation (\\\"Cross-site Scripting\\\") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.2.*.\"}],\"affected\":[{\"source\":\"mlhess@drupal.org\",\"affectedData\":[{\"vendor\":\"Drupal\",\"product\":\"Drupal core\",\"collectionURL\":\"https://www.drupal.org/project/drupal\",\"repo\":\"https://git.drupalcode.org/project/drupal\",\"versions\":[{\"version\":\"11.3.0\",\"lessThan\":\"11.3.14\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"11.4.0\",\"lessThan\":\"11.4.4\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"0.0.0\",\"lessThan\":\"11.2.*\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"weaknesses\":[{\"source\":\"mlhess@drupal.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://www.drupal.org/sa-core-2026-011\",\"source\":\"mlhess@drupal.org\"}]}}"
  }
}



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Sightings

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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.