{
  "GSD": {
    "alias": "CVE-2021-21043",
    "description": "ACS Commons version 4.9.2 (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in version-compare and page-compare due to invalid JCR characters that are not handled correctly. An attacker could potentially exploit this vulnerability to inject malicious JavaScript content into vulnerable form fields and execute it within the context of the victim\u0027s browser. Exploitation of this issue requires user interaction in order to be successful.",
    "id": "GSD-2021-21043"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "aliases": [
        "CVE-2021-21043"
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      "details": "ACS Commons version 4.9.2 (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in version-compare and page-compare due to invalid JCR characters that are not handled correctly. An attacker could potentially exploit this vulnerability to inject malicious JavaScript content into vulnerable form fields and execute it within the context of the victim\u0027s browser. Exploitation of this issue requires user interaction in order to be successful.",
      "id": "GSD-2021-21043",
      "modified": "2023-12-13T01:23:11.175236Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "psirt@adobe.com",
        "DATE_PUBLIC": "2021-02-01T23:00:00.000Z",
        "ID": "CVE-2021-21043",
        "STATE": "PUBLIC",
        "TITLE": "Reflected Cross-site Scripting (XSS) on version-compare and page-compare tools"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Experience Manager",
                    "version": {
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                          "version_affected": "\u003c=",
                          "version_value": "4.9.2"
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                          "version_value": "None"
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            "value": "ACS Commons version 4.9.2 (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in version-compare and page-compare due to invalid JCR characters that are not handled correctly. An attacker could potentially exploit this vulnerability to inject malicious JavaScript content into vulnerable form fields and execute it within the context of the victim\u0027s browser. Exploitation of this issue requires user interaction in order to be successful."
          }
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      },
      "impact": {
        "cvss": {
          "attackComplexity": "Low",
          "attackVector": "Network",
          "availabilityImpact": "None",
          "baseScore": 7.4,
          "baseSeverity": "High",
          "confidentialityImpact": "Low",
          "integrityImpact": "Low",
          "privilegesRequired": "None",
          "scope": "Changed",
          "userInteraction": "Required",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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        "reference_data": [
          {
            "name": "https://github.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-f92j-qf46-p6vm",
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            "url": "https://github.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-f92j-qf46-p6vm"
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      },
      "source": {
        "discovery": "EXTERNAL"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,4.10.0)",
          "affected_versions": "All versions before 4.10.0",
          "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2021-12-13",
          "description": "ACS Commons version 4.9.2 (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in version-compare and page-compare due to invalid JCR characters that are not handled correctly. An attacker could potentially exploit this vulnerability to inject malicious JavaScript content into vulnerable form fields and execute it within the context of the victim\u0027s browser. Exploitation of this issue requires user interaction in order to be successful.",
          "fixed_versions": [
            "4.10.0"
          ],
          "identifier": "CVE-2021-21043",
          "identifiers": [
            "GHSA-7r83-w6r8-fh6w",
            "CVE-2021-21043"
          ],
          "not_impacted": "All versions starting from 4.10.0",
          "package_slug": "maven/com.adobe.acs/acs-aem-commons",
          "pubdate": "2021-05-13",
          "solution": "Upgrade to version 4.10.0 or above.",
          "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
          "urls": [
            "https://github.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-f92j-qf46-p6vm",
            "https://nvd.nist.gov/vuln/detail/CVE-2021-21043",
            "https://github.com/Adobe-Consulting-Services/acs-aem-commons/commit/14d769c86606c4ce9a93c47a19f87e1ad72788d6",
            "https://github.com/advisories/GHSA-7r83-w6r8-fh6w"
          ],
          "uuid": "44b3d4df-934e-4bb3-9764-e2fc1558d886"
        }
      ]
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                "cpe23Uri": "cpe:2.3:a:adobe:adobe_consulting_services_commons:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "4.9.2",
                "vulnerable": true
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            "operator": "OR"
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      "cve": {
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          "ASSIGNER": "psirt@adobe.com",
          "ID": "CVE-2021-21043"
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        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "ACS Commons version 4.9.2 (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in version-compare and page-compare due to invalid JCR characters that are not handled correctly. An attacker could potentially exploit this vulnerability to inject malicious JavaScript content into vulnerable form fields and execute it within the context of the victim\u0027s browser. Exploitation of this issue requires user interaction in order to be successful."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
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                  "value": "CWE-79"
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        "references": {
          "reference_data": [
            {
              "name": "https://github.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-f92j-qf46-p6vm",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://github.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-f92j-qf46-p6vm"
            }
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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          "exploitabilityScore": 2.8,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2021-12-10T19:46Z",
      "publishedDate": "2021-02-02T23:15Z"
    }
  }
}