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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| 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 |
| 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:*:*:*:*:*:* |