CVE-2016-9078

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-06-11 · updated 2026-06-17
Weakness: CWE-601

Description

Redirection from an HTTP connection to a "data:" URL assigns the referring site's origin to the "data:" URL in some circumstances. This can result in same-origin violations against a domain if it loads resources from malicious sites. Cross-origin setting of cookies has been demonstrated without the ability to read them. Note: This issue only affects Firefox 49 and 50. This vulnerability affects Firefox < 50.0.1.

Affected products

Mozilla Firefox: 49.0, 50.0

References

http://www.securityfocus.com/bid/94569
http://www.securitytracker.com/id/1037353
https://bugzilla.mozilla.org/show_bug.cgi?id=1317641
https://www.mozilla.org/security/advisories/mfsa2016-91/
http://www.securityfocus.com/bid/94569
http://www.securitytracker.com/id/1037353
https://bugzilla.mozilla.org/show_bug.cgi?id=1317641
https://www.mozilla.org/security/advisories/mfsa2016-91/

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