CVE-2013-0793

Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, and SeaMonkey before 2.17 do not ensure the correctness of the address bar during history navigation, which allows remote attackers to conduct cross-site scripting (XSS) attacks or phishing attacks by leveraging control over navigation timing.

Published: 2013-04-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-0793 is rated Moderate Risk (46/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.21%). Mandatory action: Review affected assets and schedule remediation.

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-2013-0793

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 1.50% 2.21% +0.70%
2 2025-10-05 1.11% 1.50% +0.40%
3 2025-07-02 1.11%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-0793

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2013-0793

OS Trackers for CVE-2013-0793

vendor priority summary link
gentoo high CVE-2013-0793: 1 GLSA(s) (201309-23), 6 atom(s) (mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin, www-client/seamonkey, www-client/seamonkey-bin); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-0793
redhat medium https://access.redhat.com/security/cve/CVE-2013-0793
suse medium CVE-2013-0793 severity moderate: SUSE including 72 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-17.0.6esr-0.4.1, …), 104 product×package rows across 33 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 12, … (33 product lines)): Fixed 104. https://www.suse.com/security/cve/CVE-2013-0793/
ubuntu medium CVE-2013-0793 medium priority: Ubuntu including 5 source packages (firefox, seamonkey, thunderbird, xulrunner-1.9.2, xulrunner-2.0), 40 status rows across 8 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, upstream): DNE 16, released 14, ignored 7, needs-triage 2, pending 1. https://ubuntu.com/security/CVE-2013-0793

Affected software / configurations for CVE-2013-0793

Vendor Product Version Raw CPE
mozilla firefox <= 19.0.2 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox 19.0 cpe:2.3:a:mozilla:firefox:19.0:*:*:*:*:*:*:*
mozilla firefox 19.0.1 cpe:2.3:a:mozilla:firefox:19.0.1:*:*:*:*:*:*:*
mozilla firefox 17.0 cpe:2.3:a:mozilla:firefox:17.0:*:*:*:*:*:*:*
mozilla firefox 17.0.1 cpe:2.3:a:mozilla:firefox:17.0.1:*:*:*:*:*:*:*
mozilla firefox 17.0.2 cpe:2.3:a:mozilla:firefox:17.0.2:*:*:*:*:*:*:*
mozilla firefox 17.0.3 cpe:2.3:a:mozilla:firefox:17.0.3:*:*:*:*:*:*:*
mozilla firefox 17.0.4 cpe:2.3:a:mozilla:firefox:17.0.4:*:*:*:*:*:*:*
mozilla thunderbird 17.0 cpe:2.3:a:mozilla:thunderbird:17.0:*:*:*:*:*:*:*
mozilla thunderbird 17.0.1 cpe:2.3:a:mozilla:thunderbird:17.0.1:*:*:*:*:*:*:*
mozilla thunderbird 17.0.2 cpe:2.3:a:mozilla:thunderbird:17.0.2:*:*:*:*:*:*:*
mozilla thunderbird 17.0.3 cpe:2.3:a:mozilla:thunderbird:17.0.3:*:*:*:*:*:*:*
mozilla thunderbird 17.0.4 cpe:2.3:a:mozilla:thunderbird:17.0.4:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0 cpe:2.3:a:mozilla:thunderbird_esr:17.0:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.1 cpe:2.3:a:mozilla:thunderbird_esr:17.0.1:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.2 cpe:2.3:a:mozilla:thunderbird_esr:17.0.2:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.3 cpe:2.3:a:mozilla:thunderbird_esr:17.0.3:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.4 cpe:2.3:a:mozilla:thunderbird_esr:17.0.4:*:*:*:*:*:*:*
mozilla seamonkey <= 2.17 cpe:2.3:a:mozilla:seamonkey:*:beta4:*:*:*:*:*:*
mozilla seamonkey 2.0 cpe:2.3:a:mozilla:seamonkey:2.0:*:*:*:*:*:*:*
mozilla seamonkey 2.0 cpe:2.3:a:mozilla:seamonkey:2.0:alpha_1:*:*:*:*:*:*
mozilla seamonkey 2.0 cpe:2.3:a:mozilla:seamonkey:2.0:alpha_2:*:*:*:*:*:*
mozilla seamonkey 2.0 cpe:2.3:a:mozilla:seamonkey:2.0:alpha_3:*:*:*:*:*:*
mozilla seamonkey 2.0 cpe:2.3:a:mozilla:seamonkey:2.0:beta_1:*:*:*:*:*:*
mozilla seamonkey 2.0 cpe:2.3:a:mozilla:seamonkey:2.0:beta_2:*:*:*:*:*:*
mozilla seamonkey 2.0 cpe:2.3:a:mozilla:seamonkey:2.0:rc1:*:*:*:*:*:*
mozilla seamonkey 2.0 cpe:2.3:a:mozilla:seamonkey:2.0:rc2:*:*:*:*:*:*
mozilla seamonkey 2.0.1 cpe:2.3:a:mozilla:seamonkey:2.0.1:*:*:*:*:*:*:*
mozilla seamonkey 2.0.2 cpe:2.3:a:mozilla:seamonkey:2.0.2:*:*:*:*:*:*:*
mozilla seamonkey 2.0.3 cpe:2.3:a:mozilla:seamonkey:2.0.3:*:*:*:*:*:*:*
mozilla seamonkey 2.0.4 cpe:2.3:a:mozilla:seamonkey:2.0.4:*:*:*:*:*:*:*
mozilla seamonkey 2.0.5 cpe:2.3:a:mozilla:seamonkey:2.0.5:*:*:*:*:*:*:*
mozilla seamonkey 2.0.6 cpe:2.3:a:mozilla:seamonkey:2.0.6:*:*:*:*:*:*:*
mozilla seamonkey 2.0.7 cpe:2.3:a:mozilla:seamonkey:2.0.7:*:*:*:*:*:*:*
mozilla seamonkey 2.0.8 cpe:2.3:a:mozilla:seamonkey:2.0.8:*:*:*:*:*:*:*
mozilla seamonkey 2.0.9 cpe:2.3:a:mozilla:seamonkey:2.0.9:*:*:*:*:*:*:*
mozilla seamonkey 2.0.10 cpe:2.3:a:mozilla:seamonkey:2.0.10:*:*:*:*:*:*:*
mozilla seamonkey 2.0.11 cpe:2.3:a:mozilla:seamonkey:2.0.11:*:*:*:*:*:*:*
mozilla seamonkey 2.0.12 cpe:2.3:a:mozilla:seamonkey:2.0.12:*:*:*:*:*:*:*
mozilla seamonkey 2.0.13 cpe:2.3:a:mozilla:seamonkey:2.0.13:*:*:*:*:*:*:*
mozilla seamonkey 2.0.14 cpe:2.3:a:mozilla:seamonkey:2.0.14:*:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:*:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:alpha1:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:alpha2:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:alpha3:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:beta1:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:beta2:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:beta3:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:rc1:*:*:*:*:*:*
mozilla seamonkey 2.1 cpe:2.3:a:mozilla:seamonkey:2.1:rc2:*:*:*:*:*:*
mozilla seamonkey 2.2 cpe:2.3:a:mozilla:seamonkey:2.2:*:*:*:*:*:*:*
mozilla seamonkey 2.2 cpe:2.3:a:mozilla:seamonkey:2.2:beta1:*:*:*:*:*:*
mozilla seamonkey 2.2 cpe:2.3:a:mozilla:seamonkey:2.2:beta2:*:*:*:*:*:*
mozilla seamonkey 2.2 cpe:2.3:a:mozilla:seamonkey:2.2:beta3:*:*:*:*:*:*
mozilla seamonkey 2.3 cpe:2.3:a:mozilla:seamonkey:2.3:*:*:*:*:*:*:*
mozilla seamonkey 2.3 cpe:2.3:a:mozilla:seamonkey:2.3:beta1:*:*:*:*:*:*
mozilla seamonkey 2.3 cpe:2.3:a:mozilla:seamonkey:2.3:beta2:*:*:*:*:*:*
mozilla seamonkey 2.3 cpe:2.3:a:mozilla:seamonkey:2.3:beta3:*:*:*:*:*:*
mozilla seamonkey 2.3.1 cpe:2.3:a:mozilla:seamonkey:2.3.1:*:*:*:*:*:*:*
mozilla seamonkey 2.3.2 cpe:2.3:a:mozilla:seamonkey:2.3.2:*:*:*:*:*:*:*
mozilla seamonkey 2.3.3 cpe:2.3:a:mozilla:seamonkey:2.3.3:*:*:*:*:*:*:*
mozilla seamonkey 2.4 cpe:2.3:a:mozilla:seamonkey:2.4:*:*:*:*:*:*:*
mozilla seamonkey 2.4 cpe:2.3:a:mozilla:seamonkey:2.4:beta1:*:*:*:*:*:*
mozilla seamonkey 2.4 cpe:2.3:a:mozilla:seamonkey:2.4:beta2:*:*:*:*:*:*
mozilla seamonkey 2.4 cpe:2.3:a:mozilla:seamonkey:2.4:beta3:*:*:*:*:*:*
mozilla seamonkey 2.4.1 cpe:2.3:a:mozilla:seamonkey:2.4.1:*:*:*:*:*:*:*
mozilla seamonkey 2.5 cpe:2.3:a:mozilla:seamonkey:2.5:*:*:*:*:*:*:*
mozilla seamonkey 2.5 cpe:2.3:a:mozilla:seamonkey:2.5:beta1:*:*:*:*:*:*
mozilla seamonkey 2.5 cpe:2.3:a:mozilla:seamonkey:2.5:beta2:*:*:*:*:*:*
mozilla seamonkey 2.5 cpe:2.3:a:mozilla:seamonkey:2.5:beta3:*:*:*:*:*:*
mozilla seamonkey 2.5 cpe:2.3:a:mozilla:seamonkey:2.5:beta4:*:*:*:*:*:*
mozilla seamonkey 2.6 cpe:2.3:a:mozilla:seamonkey:2.6:*:*:*:*:*:*:*
mozilla seamonkey 2.6 cpe:2.3:a:mozilla:seamonkey:2.6:beta1:*:*:*:*:*:*
mozilla seamonkey 2.6 cpe:2.3:a:mozilla:seamonkey:2.6:beta2:*:*:*:*:*:*
mozilla seamonkey 2.6 cpe:2.3:a:mozilla:seamonkey:2.6:beta3:*:*:*:*:*:*
mozilla seamonkey 2.6 cpe:2.3:a:mozilla:seamonkey:2.6:beta4:*:*:*:*:*:*
mozilla seamonkey 2.6.1 cpe:2.3:a:mozilla:seamonkey:2.6.1:*:*:*:*:*:*:*
mozilla seamonkey 2.7 cpe:2.3:a:mozilla:seamonkey:2.7:*:*:*:*:*:*:*
mozilla seamonkey 2.7 cpe:2.3:a:mozilla:seamonkey:2.7:beta1:*:*:*:*:*:*
mozilla seamonkey 2.7 cpe:2.3:a:mozilla:seamonkey:2.7:beta2:*:*:*:*:*:*

References for CVE-2013-0793

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00019.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00012.html
http://rhn.redhat.com/errata/RHSA-2013-0696.html
http://rhn.redhat.com/errata/RHSA-2013-0697.html
http://www.debian.org/security/2013/dsa-2699
http://www.mozilla.org/security/announce/2013/mfsa2013-38.html Vendor Advisory
http://www.securityfocus.com/bid/58837
http://www.ubuntu.com/usn/USN-1791-1
https://bugzilla.mozilla.org/show_bug.cgi?id=803870
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16928
cvelogic Threat Intelligence