CVEvulnerability
CVE-2017-7834
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-06-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 6.1 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
A "data:" URL loaded in a new tab did not inherit the Content Security Policy (CSP) of the original page, allowing for bypasses of the policy including the execution of JavaScript. In prior versions when "data:" documents also inherited the context of the original page this would allow for potential cross-site scripting (XSS) attacks. This vulnerability affects Firefox < 57.
Affected configurations
• mozilla firefox (<= 56.0.2)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- http://www.securityfocus.com/bid/101832 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039803 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1358009 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2017-24/ Vendor Advisory
- http://www.securityfocus.com/bid/101832 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039803 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1358009 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2017-24/ Vendor Advisory