CVE-2014-1511

CVE-2014-1511 is a critical vulnerability published on March 19, 2014. Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allow remote attackers to bypass the popup blocker via unspecified vectors.

CVE-2014-1511 was first published in the National Vulnerability Database on March 19, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

CVE-2014-1511 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

CVE-2014-1511 has a CVSS v3 base score of 9.8 (NVD).

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-1511, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.