CVE-2017-7846

Description

It is possible to execute JavaScript in the parsed RSS feed when RSS feed is viewed as a website, e.g. via "View -> Feed article -> Website" or in the standard format of "View -> Feed article -> default format". This vulnerability affects Thunderbird < 52.5.2.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.35% Top 25%
Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2017/12/msg00026.html third party advisory mailing list
https://bugzilla.mozilla.org/show_bug.cgi?id=1411716 issue tracking permissions required
http://www.securityfocus.com/bid/102258 vdb entry third party advisory
http://www.securitytracker.com/id/1040123 vdb entry third party advisory
https://www.mozilla.org/security/advisories/mfsa2017-30/ vendor advisory
https://www.debian.org/security/2017/dsa-4075 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0061 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-7846?
CVE-2017-7846 has been scored as a high severity vulnerability.
How to fix CVE-2017-7846?
To fix CVE-2017-7846, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7846 being actively exploited in the wild?
It is possible that CVE-2017-7846 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7846?
CVE-2017-7846 affects Mozilla Thunderbird.
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