CVE-2020-12391
Vulnerability from cvelistv5
Published
2020-05-26 17:02
Modified
2024-08-04 11:56
Severity ?
EPSS score ?
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.
References
▼ | URL | Tags | |
---|---|---|---|
security@mozilla.org | https://bugzilla.mozilla.org/show_bug.cgi?id=1457100 | Permissions Required | |
security@mozilla.org | https://www.mozilla.org/security/advisories/mfsa2020-16/ | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.mozilla.org/show_bug.cgi?id=1457100 | Permissions Required | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.mozilla.org/security/advisories/mfsa2020-16/ | Vendor Advisory |
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.