CVE-2023-28447
Cross site scripting vulnerability in Javascript escaping in smarty/smarty
- State
- Published
- Severity
- 7.1 High
- Published
- Mar 28, 2023
- Updated
- Nov 3, 2025
- Reserved
- Mar 15, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L | GitHub_M |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
smartysmarty-php |
|
References
- https://github.com/smarty-php/smarty/security/advisories/GHSA-7j98-h7fp-4vwj
- https://github.com/smarty-php/smarty/commit/685662466f653597428966d75a661073104d713d
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSAUM3YHWHO4UCJXRGRLQGPJAO3MFOZZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JBB35GLYTL6JL6EOM6BOZNYP47JKNNHT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P7O7SKTATM6GAP45S64QFXNLWIY5I7HP/
- https://lists.debian.org/debian-lts-announce/2024/11/msg00013.html
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