CVE-2023-28447

Cross site scripting vulnerability in Javascript escaping in smarty/smarty

Published: Mar 28, 2023Updated: Nov 3, 2025 Sources: CVE List NVD GHSACWE-79

7.1HIGH

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:RUser Interaction

Required

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:LAvailability

Low

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Weaknesses

CWE-79

Affected Products

smarty-php

oss-projectaka smarty

smartyLibrary

OSS Libraries / generic-library

smarty

oss-projectaka smarty template engine

smartyLibrary

OSS Libraries / generic-library

fedoraproject

oss-project·USaka fedora project

fedoraOn-premOS

Operating Systems / linux-distro

Packagist

package-ecosystem

smarty/smarty

OSS Libraries

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://github.com/smarty-php/smarty/security/advisories/GHSA-7j98-h7fp-4vwj

github.com

https://github.com/smarty-php/smarty/commit/685662466f653597428966d75a661073104d713d

github.com

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSAUM3YHWHO4UCJXRGRLQGPJAO3MFOZZ/

lists.fedoraproject.org

and 9 more references View all →

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