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CVE-2014-2018

18
FAUCET Score

CVE-2014-2018 describes a cross-site scripting (XSS) vulnerability affecting Mozilla Thunderbird (versions 17.x through 17.0.8 and ESR 17.x through 17.0.10) and SeaMonkey (before 2.20). This flaw allows user-assisted remote attackers to inject arbitrary web script or HTML via specially crafted email messages containing data: URLs within OBJECT or EMBED elements. With a CVSS score of 4.3, this vulnerability has a medium attack complexity and requires user interaction, but could lead to information disclosure. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion beyond a single mention.

Impacted Technologies

VendorProductVersion(s)CPE
17.0CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:17.0:*:*:*:*:*:*:*
17.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:17.0.1:*:*:*:*:*:*:*
17.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:17.0.2:*:*:*:*:*:*:*
17.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:17.0.3:*:*:*:*:*:*:*
17.0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:17.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.01%
Probability of exploitation in next 30 days
EPSS Percentile
78.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0201 is in the 64th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

mozillavendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird

Vendor Advisories (1)

redhatCVE-2014-2018Moderate

Mozilla: Script execution in HTML mail replies (MFSA 2014-14)

Feb 6, 2014

References

bugzilla.mozilla.org / show_bug.cgi
Vendor Advisory
kb.cert.org / vuls/id/863369
US Government Resource
mozilla.org / security/announce/2014/mfsa2014-14.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securitytracker.com / id/1029773
securitytracker.com / id/1029774
vulnerability-lab.com / get_content.php