CVE-2019-11738
MEDIUM 6.3EPSS 1.4%
If a Content Security Policy (CSP) directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. This could allow for malicious JavaScript content to be run, bypassing CSP permissions. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.
- Affected
- Mozilla · Firefox · Firefox ESR
- CVSS v3.1 NVD
- 6.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - CVSS v2.0 NVD
- 6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P - EPSS
- 1.45% chance of exploitation in the next 30 days, 73rd percentile
- Published
- 2019-09-27
- Updated
- 2024-08-04
Proof-of-concept exploits (1)
Security advisories
- https://www.mozilla.org/security/advisories/mfsa2019-25
- https://www.mozilla.org/security/advisories/mfsa2019-26
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html