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Vulnerability record/PUBLISHED/Published Mar 28, 2023 20:07:39 UTC

CVE-2023-28447

Smarty is a template engine for PHP. In affected versions smarty did not properly escape javascript code. An attacker could exploit this vulnerability to execute arbitrary JavaScript code in the context of the user's browser session. This may lead to unauthorized access to sensitive user data, manipulation of the web application's behavior, or unauthorized actions performed on behalf of the user. Users are advised to upgrade to either version 3.1.48 or to 4.3.1 to resolve this issue. There are no known workarounds for this vulnerability.

Base score7.1/ 10
SeverityHighCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes
Base severityHigh
Attack vectorNetworkAV
Attack complexityLowAC
Privileges requiredNonePR
User interactionRequiredUI
ScopeChangedS
Confidentiality impactLowC
Integrity impactLowI
Availability impactLowA
CVSS vector stringCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering AuthorityGitHub_M
Last updatedNov 3, 2025 21:47:36 UTC
PublishedMar 28, 2023 20:07:39 UTC
ReservedMar 15, 2023 15:59:10 UTC