CVE-2023-28447

mediumpriority · track · 34EPSS 0.010 · 63 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.02% (63rd) EPSS

CVSS 6.1 · medium

Is it mine?

18 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–7.1

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Lsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Lsecondary · security-advisories@github.comexploitability 2.8 · impact 3.7

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Lsecondary · OSV

v3.15.8mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

exploits (1)

Public proof-of-concept and weaponised exploit code.

drkbcn/lblfixer_cve_2023_28447Module for PrestaShop 1.7.X to fix CVE-2023-28447 vulnerability (Smarty XSS)PoC · poc_in_github

affected products (18)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Open Source MediaWiki <1.35.10all versionscert_bundDE
Open Source MediaWiki <1.38.6all versionscert_bundDE
Open Source MediaWiki <1.39.3all versionscert_bundDE
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source MediaWiki< 1.35.10cert_bundDE
Open Source MediaWiki< 1.38.6cert_bundDE
Open Source MediaWiki< 1.39.3cert_bundDE
smarty-php smarty≤ < 3.1.48enisa_euvdEU
smarty-php smarty4.0.0, → 4.3.1enisa_euvdEU
fedoraproject fedora= 36nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 37nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 38nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
smarty smarty< 3.1.48nvdUScpe:2.3:a:smarty:smarty:*:*:*:*:*:*:*:*
smarty smarty4.0.0 → 4.3.1nvdUScpe:2.3:a:smarty:smarty:*:*:*:*:*:*:*:*
Packagist smarty/smarty< 3.1.48osvUSpkg:composer/smarty/smarty
Packagist smarty/smarty4.0.0 → 4.3.1osvUSpkg:composer/smarty/smarty

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0849MediaWiki: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2023-04-04csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in MediaWiki ausnutzen, um beliebigen Programmcode auszuführen, Informationen offenzulegen, einen Cross-Site-Scripting-Angriff durchzuführen oder einen Denial of Service Zustand herbeizuführen.
GHSA-7j98-h7fp-4vwjsmarty Cross-site Scripting vulnerability in Javascript escaping 2023-03-29ghsa · osvUS
### Impact 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. ### Patches Please upgrade to the most recent version of Smarty v3 or v4. ### For more information If you have any questions or comments about this advisory please open an issue in [the Smarty repo](https://github.com/smarty-php/smarty)

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2023-03-28modified 2026-06-17

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+53051 more

references (17)

External citations — patches, advisories, analysis.

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