CVE-2017-5453

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.

• CWE-20

• 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

Published

Jun 11, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2017-5447An out-of-bounds read during the processing of glyph widths …
• CVE-2017-5448An out-of-bounds write in "ClearKeyDecryptor" while decrypti…
• CVE-2017-5449A possibly exploitable crash triggered during layout and man…
• CVE-2017-5450A mechanism to spoof the Firefox for Android addressbar usin…
• CVE-2017-5451A mechanism to spoof the addressbar through the user interac…
• CVE-2017-5452Malicious sites can display a spoofed addressbar on a page w…
• CVE-2017-5454A mechanism to bypass file system access protections in the …
• CVE-2017-5455The internal feed reader APIs that crossed the sandbox barri…
• CVE-2017-5456A mechanism to bypass file system access protections in the …
• CVE-2017-5458When a "javascript:" URL is drag and dropped by a user into …
• CVE-2017-5459A buffer overflow in WebGL triggerable by web content, resul…
• CVE-2017-5460A use-after-free vulnerability in frame selection triggered …