Medium severity · published Aug 6, 2024
CVE-2024-7524
Firefox adds web-compatibility shims in place of some tracking scripts blocked by Enhanced Tracking Protection
6.1
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 129 · source: vendor, NVD
FE
Firefox ESR · Mozilla
before 115.14; before 128.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-7524
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-7524
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1909241
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-33/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-34/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-35/
More from Firefox
10.0
CVE-2019-11708
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
9.8
CVE-2024-9680
Mozilla Firefox Use-After-Free Vulnerability
9.8
CVE-2010-3765
Mozilla Multiple Products Remote Code Execution Vulnerability
9.6
CVE-2022-26486
Mozilla Firefox Use-After-Free Vulnerability
8.8
CVE-2023-5217
Google Chromium libvpx Heap Buffer Overflow Vulnerability