CVE-2019-11761

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.9%

exploitation probability

0.9%top 41% of all CVEs

observed exploitation

nono source reports it

By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1561502 https://security.gentoo.org/glsa/202003-10 https://usn.ubuntu.com/4335-1/https://www.mozilla.org/security/advisories/mfsa2019-33/https://www.mozilla.org/security/advisories/mfsa2019-34/https://www.mozilla.org/security/advisories/mfsa2019-35/