8.8high

CVE-2017-7846

It is possible to execute JavaScript in the parsed RSS feed when RSS feed is viewed as a website, e.g.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
8.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.9%
percentile 80%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.94% probability of exploitation in the next 30 days, higher than 80% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.08.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Mozilla Thunderbird

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

  • lists.debian.org /debian-lts-announce/2017/12/msg00026.html · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1411716 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/102258 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1040123 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • mozilla.org /security/advisories/mfsa2017-30/ · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-4075 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • access.redhat.com /errata/RHSA-2018:0061 · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.