Mozilla Firefox before 37.0 relies on docshell type information instead of page principal information for Window.webidl access control, which might allow remote attackers to execute arbitrary JavaScript code with chrome privileges via certain content navigation that leverages the reachability of a privileged window with an unintended persistence of access to restricted internal methods.
Conclusion & alert: CVE-2015-0802 is rated High Exploit Risk (69.5/100): CVSS Medium severity, with high exploitation likelihood (EPSS 67.27%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 37958 | exploit_db | edb | 2015-08-24 | Exploit-DB ↗ |
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 | 2026-07-13 | 67.47% | 67.27% | -0.20% |
| 2 | 2026-06-15 | 80.39% | 67.47% | -12.92% |
| 3 | 2025-08-23 | — | 80.39% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2015-0802: 1 GLSA(s) (201512-10), 4 atom(s) (mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-0802 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-0802 |
suse
|
medium | CVE-2015-0802 severity moderate: SUSE including 54 source package names (MozillaFirefox, MozillaFirefox-102.11.0-150200.152.87.1, …), 76 product×package rows across 24 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 11 SP3, … (24 product lines)): Fixed 58, Known Not Affected 18. | https://www.suse.com/security/cve/CVE-2015-0802/ |
ubuntu
|
low | CVE-2015-0802 low priority: Ubuntu including 1 source packages (firefox), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 4, ignored 1. | https://ubuntu.com/security/CVE-2015-0802 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.10 | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* |
| mozilla | firefox | <= 36.0.4 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |