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CVE-2012-4437

18
FAUCET Score

CVE-2012-4437 describes a Cross-site Scripting (XSS) vulnerability within the SmartyException class of Smarty (aka smarty-php) versions prior to 3.1.12. This flaw allows remote attackers to inject arbitrary web script or HTML by triggering a Smarty exception through unspecified vectors. With a CVSS score of 4.3 (medium severity), this vulnerability requires medium attack complexity and could lead to information disclosure or defacement (partial impact to integrity). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:smarty:smarty:1.0:*:*:*:*:*:*:*
1.0aCPE matchmatch criteria
cpe:2.3:a:smarty:smarty:1.0a:*:*:*:*:*:*:*
1.0bCPE matchmatch criteria
cpe:2.3:a:smarty:smarty:1.0b:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:smarty:smarty:1.1.0:*:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:smarty:smarty:1.2.0:*:*:*:*:*:*:*

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
2.46%
Probability of exploitation in next 30 days
EPSS Percentile
82.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0246 is in the 73rd percentile among its peer group of 19,956 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

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: smarty/smartyFixed in: 3.1.12

Vendor Advisories (1)

composerGHSA-9gqj-ppv2-f2hqmedium

Cross-site Scripting in SmartyException

May 17, 2022

References

advisories.mageia.org / MGASA-2014-0468.html
code.google.com / p/smarty-php/source/browse/trunk/distribution/change_log.txt
code.google.com / p/smarty-php/source/detail
Patch
jvndb.jvn.jp / ja/contents/2012/JVNDB-2012-000094.html
jvn.jp / en/jp/JVN63650108/index.html
lists.fedoraproject.org / pipermail/package-announce/2012-September/088138.html
secunia.com / advisories/50589
Vendor Advisory
mandriva.com / security/advisories
openwall.com / lists/oss-security/2012/09/19/1
openwall.com / lists/oss-security/2012/09/20/3
securityfocus.com / bid/55506