CVE-2014-1504

The session-restore feature in Mozilla Firefox before 28.0 and SeaMonkey before 2.25 does not consider the Content Security Policy of a data: URL, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted document that is accessed after a browser restart.

Published: 2014-03-19 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-1504 is rated Low Risk (39.4/100): CVSS Low severity, with medium exploitation likelihood (EPSS 2.06%). EPSS rose +1.46% over the last day, indicating growing attacker interest. Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-1504

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.61% 2.06% +1.46%
2 2025-03-30 1.49% 0.61% -0.88%
3 2025-03-29 — 1.49% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-1504

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.6 2.0 LOW
AV:N/AC:H/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 4.9 2.9 [email protected]

Weakness enumeration for CVE-2014-1504

OS Trackers for CVE-2014-1504

vendor priority summary link
gentoo normal CVE-2014-1504: 1 GLSA(s) (201504-01), 7 atom(s) (dev-libs/nspr, mail-client/thunderbird, …); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-1504
redhat low — https://access.redhat.com/security/cve/CVE-2014-1504
suse critical CVE-2014-1504 severity critical: SUSE including 37 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-24.4.0esr-0.5.5.1, …), 55 product×package rows across 10 product lines (SUSE Linux Enterprise Desktop 11 SP3, SUSE Linux Enterprise Module for Desktop Applications 15, … (10 product lines)): Fixed 55. https://www.suse.com/security/cve/CVE-2014-1504/
ubuntu medium CVE-2014-1504 medium priority: Ubuntu including 1 source packages (firefox), 5 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): released 4, ignored 1. https://ubuntu.com/security/CVE-2014-1504

Affected software / configurations for CVE-2014-1504

Vendor Product Version Raw CPE
mozilla firefox < 28.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla seamonkey < 2.25 cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
opensuse opensuse 11.4 cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
opensuse opensuse 12.3 cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*
opensuse opensuse 13.1 cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
oracle solaris 11.3 cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
suse linux_enterprise_desktop 11 cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*
suse linux_enterprise_sdk 11 cpe:2.3:o:suse:linux_enterprise_sdk:11:sp3:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:*:*:*
suse linux_enterprise_server 11 cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:*:vmware:*:*

References for CVE-2014-1504

cvelogic Threat Intelligence