CVE-2017-5453

Name: CVE-2017-5453
Creator: NVD / NIST
Published: 2018-06-11T21:29:06.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.10%

Last modified Jun 17, 2026

CVE-2017-5453 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.10%

61.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 53.0

References

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

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5453?

How severe is CVE-2017-5453?

Severity scoring for CVE-2017-5453 is pending analysis. The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5453?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5453?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST