CVE-2017-5458: XSS

Reference Links

• https://bugzilla.mozilla.org/show_bug.cgi?id=1229426
• https://www.mozilla.org/security/advisories/mfsa2017-10/
• http://www.securityfocus.com/bid/97940
• http://www.securitytracker.com/id/1038320
• https://launchpad.net/bugs/cve/CVE-2017-5458
• https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/
• https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/#CVE-2017-5459
• https://security-tracker.debian.org/tracker/CVE-2017-5458
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5458
• https://nvd.nist.gov/vuln/detail/CVE-2017-5458
• https://ubuntu.com/security/CVE-2017-5458

Parent vulnerabilities

(Appears in the following advisories)

• MFSA2017-10

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2017-5433
• CVE-2017-5435
• CVE-2017-5436
• CVE-2017-5461
• CVE-2017-5459
• CVE-2017-5466
• CVE-2017-5434
• CVE-2017-5432
• CVE-2017-5460
• CVE-2017-5438
• CVE-2017-5439
• CVE-2017-5440
• CVE-2017-5441
• CVE-2017-5442
• CVE-2017-5464
• CVE-2017-5443
• CVE-2017-5444
• CVE-2017-5446
• CVE-2017-5447
• CVE-2017-5465
• CVE-2017-5448
• CVE-2016-10196
• CVE-2017-5454
• CVE-2017-5455
• CVE-2017-5456
• CVE-2017-5469
• CVE-2017-5445
• CVE-2017-5449
• CVE-2017-5450
• CVE-2017-5451
• CVE-2017-5462
• CVE-2017-5463
• CVE-2017-5467
• CVE-2017-5452
• CVE-2017-5453
• CVE-2017-5458
• CVE-2017-5468
• CVE-2017-5430
• CVE-2017-5429

Frequently Asked Questions

• What is the severity of CVE-2017-5458?

  CVE-2017-5458 is classified as a medium-severity vulnerability due to its potential for exploitation through social engineering tactics.

• How do I fix CVE-2017-5458?

  To mitigate CVE-2017-5458, users should upgrade their Firefox browser to version 53 or later.

• What versions of Firefox are affected by CVE-2017-5458?

  CVE-2017-5458 affects all versions of Firefox prior to version 53.

• What type of attack does CVE-2017-5458 enable?

  CVE-2017-5458 enables unsanctioned execution of JavaScript through drag-and-drop actions, facilitating self-inflicted XSS attacks.

• Is there a workaround for CVE-2017-5458 if upgrading is not possible?

  While there is no specific workaround for CVE-2017-5458, avoiding drag-and-drop of 'javascript:' URLs can help mitigate the risk.