CVE-2020-15655

3Vexday Risk Score

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

ssvc Trackepss 1.5%

exploitation probability

1.5%top 27% of all CVEs

observed exploitation

nono source reports it

A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR Mozilla · Thunderbird

References

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html https://bugzilla.mozilla.org/show_bug.cgi?id=1645204 https://usn.ubuntu.com/4443-1/https://www.mozilla.org/security/advisories/mfsa2020-30/https://www.mozilla.org/security/advisories/mfsa2020-32/https://www.mozilla.org/security/advisories/mfsa2020-33/