critical9.8
CVE-2018-5116
WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin.
Impact
WebExtensions with the "ActiveTab" permission are able to access frames hosted within the active tab even if the frames are cross-origin. Malicious extensions can inject frames from arbitrary origins into the loaded page and then interact with them, bypassing same-origin user expectations with this permission. This vulnerability affects Firefox < 58.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | through 57.0.4 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 17.10 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/102786
- http://www.securitytracker.com/id/1040270
- https://bugzilla.mozilla.org/show_bug.cgi?id=1396399
- https://usn.ubuntu.com/3544-1/
- https://www.mozilla.org/security/advisories/mfsa2018-02/
- http://www.securityfocus.com/bid/102786
- http://www.securitytracker.com/id/1040270
- https://bugzilla.mozilla.org/show_bug.cgi?id=1396399
- https://usn.ubuntu.com/3544-1/
- https://www.mozilla.org/security/advisories/mfsa2018-02/