CVE-2017-5453

MEDIUM

Firefox < 53.0 - HTML Injection via RSS Reader Preview Page

Title source: llm
STIX 2.1

Description

A mechanism to inject static HTML into the RSS reader preview page due to a failure to escape characters sent as URL parameters for a feed's "TITLE" element. This vulnerability allows for spoofing but no scripted content can be run. This vulnerability affects Firefox < 53.

References (4)

Core 4
Core References
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1321247
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-10/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/97940
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038320

Scores

CVSS v3 4.3
EPSS 0.0055
EPSS Percentile 68.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Details

CWE
CWE-20
Status published
Products (1)
mozilla/firefox < 53.0
Published Jun 11, 2018
Tracked Since Feb 18, 2026