CVE-2019-11738

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.

CVSS v3.1

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CVSS v2.0

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

1.45% chance of exploitation in the next 30 days, 71th percentile

Published

2019-09-27

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://bugzilla.mozilla.org/show_bug.cgi?id=1452037

References

• CVE Record
• NVD entry

Related

• CVE-2019-11730
• CVE-2019-11770
• CVE-2019-11708
• CVE-2019-11806
• CVE-2019-11707
• CVE-2019-11823