CVE-2014-2018

Cross-site scripting (XSS) vulnerability in Mozilla Thunderbird 17.x through 17.0.8, Thunderbird ESR 17.x through 17.0.10, and SeaMonkey before 2.20 allows user-assisted remote attackers to inject arbitrary web script or HTML via an e-mail message containing a data: URL in a (1) OBJECT or (2) EMBED element, a related issue to CVE-2013-6674.

Published: 2014-02-17 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-2018 is rated Moderate Risk (40.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.73%). 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-2014-2018

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 2025-03-30 1.89% 0.73% -1.15%
2 2025-03-29 0.73% 1.89% +1.15%
3 2025-03-17 0.73%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-2018

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-2014-2018

OS Trackers for CVE-2014-2018

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2014-2018
ubuntu medium CVE-2014-2018 medium priority: Ubuntu including 2 source packages (seamonkey, thunderbird), 10 status rows across 5 suites (lucid, precise, quantal, saucy, upstream): DNE 3, not-affected 3, ignored 2, released 2. https://ubuntu.com/security/CVE-2014-2018

Affected software / configurations for CVE-2014-2018

Vendor Product Version Raw CPE
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 thunderbird_esr 17.0.5 cpe:2.3:a:mozilla:thunderbird_esr:17.0.5:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.6 cpe:2.3:a:mozilla:thunderbird_esr:17.0.6:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.7 cpe:2.3:a:mozilla:thunderbird_esr:17.0.7:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.8 cpe:2.3:a:mozilla:thunderbird_esr:17.0.8:*:*:*:*:*:*:*
mozilla thunderbird_esr 17.0.10 cpe:2.3:a:mozilla:thunderbird_esr:17.0.10:*:*:*:*:*:*:*
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 17.0.5 cpe:2.3:a:mozilla:thunderbird:17.0.5:*:*:*:*:*:*:*
mozilla thunderbird 17.0.6 cpe:2.3:a:mozilla:thunderbird:17.0.6:*:*:*:*:*:*:*
mozilla thunderbird 17.0.7 cpe:2.3:a:mozilla:thunderbird:17.0.7:*:*:*:*:*:*:*
mozilla thunderbird 17.0.8 cpe:2.3:a:mozilla:thunderbird:17.0.8:*:*:*:*:*:*:*
mozilla seamonkey cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozilla seamonkey <= 2.19 cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozilla seamonkey 1.0 cpe:2.3:a:mozilla:seamonkey:1.0:*:*:*:*:*:*:*
mozilla seamonkey 1.0 cpe:2.3:a:mozilla:seamonkey:1.0:alpha:*:*:*:*:*:*
mozilla seamonkey 1.0 cpe:2.3:a:mozilla:seamonkey:1.0:beta:*:*:*:*:*:*
mozilla seamonkey 1.0.1 cpe:2.3:a:mozilla:seamonkey:1.0.1:*:*:*:*:*:*:*
mozilla seamonkey 1.0.2 cpe:2.3:a:mozilla:seamonkey:1.0.2:*:*:*:*:*:*:*
mozilla seamonkey 1.0.3 cpe:2.3:a:mozilla:seamonkey:1.0.3:*:*:*:*:*:*:*
mozilla seamonkey 1.0.4 cpe:2.3:a:mozilla:seamonkey:1.0.4:*:*:*:*:*:*:*
mozilla seamonkey 1.0.5 cpe:2.3:a:mozilla:seamonkey:1.0.5:*:*:*:*:*:*:*
mozilla seamonkey 1.0.6 cpe:2.3:a:mozilla:seamonkey:1.0.6:*:*:*:*:*:*:*
mozilla seamonkey 1.0.7 cpe:2.3:a:mozilla:seamonkey:1.0.7:*:*:*:*:*:*:*
mozilla seamonkey 1.0.8 cpe:2.3:a:mozilla:seamonkey:1.0.8:*:*:*:*:*:*:*
mozilla seamonkey 1.0.9 cpe:2.3:a:mozilla:seamonkey:1.0.9:*:*:*:*:*:*:*
mozilla seamonkey 1.1 cpe:2.3:a:mozilla:seamonkey:1.1:*:*:*:*:*:*:*
mozilla seamonkey 1.1 cpe:2.3:a:mozilla:seamonkey:1.1:alpha:*:*:*:*:*:*
mozilla seamonkey 1.1 cpe:2.3:a:mozilla:seamonkey:1.1:beta:*:*:*:*:*:*
mozilla seamonkey 1.1.1 cpe:2.3:a:mozilla:seamonkey:1.1.1:*:*:*:*:*:*:*
mozilla seamonkey 1.1.2 cpe:2.3:a:mozilla:seamonkey:1.1.2:*:*:*:*:*:*:*
mozilla seamonkey 1.1.3 cpe:2.3:a:mozilla:seamonkey:1.1.3:*:*:*:*:*:*:*
mozilla seamonkey 1.1.4 cpe:2.3:a:mozilla:seamonkey:1.1.4:*:*:*:*:*:*:*
mozilla seamonkey 1.1.5 cpe:2.3:a:mozilla:seamonkey:1.1.5:*:*:*:*:*:*:*
mozilla seamonkey 1.1.6 cpe:2.3:a:mozilla:seamonkey:1.1.6:*:*:*:*:*:*:*
mozilla seamonkey 1.1.7 cpe:2.3:a:mozilla:seamonkey:1.1.7:*:*:*:*:*:*:*
mozilla seamonkey 1.1.8 cpe:2.3:a:mozilla:seamonkey:1.1.8:*:*:*:*:*:*:*
mozilla seamonkey 1.1.9 cpe:2.3:a:mozilla:seamonkey:1.1.9:*:*:*:*:*:*:*
mozilla seamonkey 1.1.10 cpe:2.3:a:mozilla:seamonkey:1.1.10:*:*:*:*:*:*:*
mozilla seamonkey 1.1.11 cpe:2.3:a:mozilla:seamonkey:1.1.11:*:*:*:*:*:*:*
mozilla seamonkey 1.1.12 cpe:2.3:a:mozilla:seamonkey:1.1.12:*:*:*:*:*:*:*
mozilla seamonkey 1.1.13 cpe:2.3:a:mozilla:seamonkey:1.1.13:*:*:*:*:*:*:*
mozilla seamonkey 1.1.14 cpe:2.3:a:mozilla:seamonkey:1.1.14:*:*:*:*:*:*:*
mozilla seamonkey 1.1.15 cpe:2.3:a:mozilla:seamonkey:1.1.15:*:*:*:*:*:*:*
mozilla seamonkey 1.1.16 cpe:2.3:a:mozilla:seamonkey:1.1.16:*:*:*:*:*:*:*
mozilla seamonkey 1.1.17 cpe:2.3:a:mozilla:seamonkey:1.1.17:*:*:*:*:*:*:*
mozilla seamonkey 1.1.18 cpe:2.3:a:mozilla:seamonkey:1.1.18:*:*:*:*:*:*:*
mozilla seamonkey 1.1.19 cpe:2.3:a:mozilla:seamonkey:1.1.19:*:*:*:*:*:*:*
mozilla seamonkey 1.5.0.8 cpe:2.3:a:mozilla:seamonkey:1.5.0.8:*:*:*:*:*:*:*
mozilla seamonkey 1.5.0.9 cpe:2.3:a:mozilla:seamonkey:1.5.0.9:*:*:*:*:*:*:*
mozilla seamonkey 1.5.0.10 cpe:2.3:a:mozilla:seamonkey:1.5.0.10:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

References for CVE-2014-2018

cvelogic Threat Intelligence