CVE-2023-28447

Name: CVE-2023-28447
Creator: NVD / NIST
Published: 2023-03-28T21:15:11.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.02%

Last modified Jun 17, 2026

CVE-2023-28447 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Smarty is a template engine for PHP. In affected versions smarty did not properly escape javascript code. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.02%

58.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Smarty	Smarty	< 3.1.48
Smarty	Smarty	>= 4.0.0, < 4.3.1
Fedoraproject	Fedora	36
Fedoraproject	Fedora	37
Fedoraproject	Fedora	38

References

https://github.com/smarty-php/smarty/commit/685662466f653597428966d75a661073104d713dPatch
https://github.com/smarty-php/smarty/security/advisories/GHSA-7j98-h7fp-4vwjThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSAUM3YHWHO4UCJXRGRLQGPJAO3MFOZZ/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JBB35GLYTL6JL6EOM6BOZNYP47JKNNHT/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P7O7SKTATM6GAP45S64QFXNLWIY5I7HP/Mailing List, Third Party Advisory
https://github.com/smarty-php/smarty/commit/685662466f653597428966d75a661073104d713dPatch
https://github.com/smarty-php/smarty/security/advisories/GHSA-7j98-h7fp-4vwjThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/11/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HSAUM3YHWHO4UCJXRGRLQGPJAO3MFOZZ/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JBB35GLYTL6JL6EOM6BOZNYP47JKNNHT/Mailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P7O7SKTATM6GAP45S64QFXNLWIY5I7HP/Mailing List, Third Party Advisory

Timeline

Published: Mar 28, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28447?

How severe is CVE-2023-28447?

CVE-2023-28447 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28447?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28447?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST