CVE-2020-12391
N/A
N/A
Summary
Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mozilla | Firefox | unspecified < 76 | affected |
Weaknesses
- Content-Security-Policy bypass using object elements
ADP Enrichment
CVE Program Container
Additional References
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1457100
References
- https://www.mozilla.org/security/advisories/mfsa2020-16/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1457100
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.