CVE-2024-7524 (GCVE-0-2024-7524)
Vulnerability from cvelistv5
Published
2024-08-06 12:38
Modified
2025-03-25 16:30
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CSP strict-dynamic bypass using web-compatibility shims
Summary
Firefox adds web-compatibility shims in place of some tracking scripts blocked by Enhanced Tracking Protection. On a site protected by Content Security Policy in "strict-dynamic" mode, an attacker able to inject an HTML element could have used a DOM Clobbering attack on some of the shims and achieved XSS, bypassing the CSP strict-dynamic protection. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.
References
Impacted products
Vendor Product Version
Mozilla Firefox Version: unspecified   < 129
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   Mozilla Firefox ESR Version: unspecified   < 115.14
 Create a notification for this product.
   Mozilla Firefox ESR Version: unspecified   < 128.1
 Create a notification for this product.
Show details on NVD website

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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-08-06T20:09:21.211985Z",
                "version": "2.0.3"
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.1,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
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                "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                "lang": "en",
                "type": "CWE"
              }
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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      "credits": [
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              "value": "Firefox adds web-compatibility shims in place of some tracking scripts blocked by Enhanced Tracking Protection.  On a site protected by Content Security Policy in \"strict-dynamic\" mode, an attacker able to inject an HTML element could have used a DOM Clobbering attack on some of the shims and achieved XSS, bypassing the CSP strict-dynamic protection. This vulnerability affects Firefox \u003c 129, Firefox ESR \u003c 115.14, and Firefox ESR \u003c 128.1."
            }
          ],
          "value": "Firefox adds web-compatibility shims in place of some tracking scripts blocked by Enhanced Tracking Protection.  On a site protected by Content Security Policy in \"strict-dynamic\" mode, an attacker able to inject an HTML element could have used a DOM Clobbering attack on some of the shims and achieved XSS, bypassing the CSP strict-dynamic protection. This vulnerability affects Firefox \u003c 129, Firefox ESR \u003c 115.14, and Firefox ESR \u003c 128.1."
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      "problemTypes": [
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        "dateUpdated": "2024-08-06T12:38:13.921Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1909241"
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        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2024-33/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2024-34/"
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          "url": "https://www.mozilla.org/security/advisories/mfsa2024-35/"
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  "cveMetadata": {
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    "cveId": "CVE-2024-7524",
    "datePublished": "2024-08-06T12:38:13.921Z",
    "dateReserved": "2024-08-05T23:30:09.092Z",
    "dateUpdated": "2025-03-25T16:30:45.591Z",
    "state": "PUBLISHED"
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