CVE-2017-5453

Mozilla: HTML injection into RSS Reader feed preview page through TITLE element (MFSA 2017-11)

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Severity

Low

Red Hat Product Security

4.3

CVSS 3.0

Review impact separately from score.

Published · April 19, 2017

Updated · November 22, 2025

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CWE not specified