CVE-2023-28447
Cross site scripting vulnerability in Javascript escaping in smarty/smarty
MEDIUM 6.1EPSS 1.0%
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.
- Affected
- smarty-php · smarty
- CVSS v3.1 NVD
- 6.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS v3.1 GITHUB
- 7.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - EPSS
- 1.02% chance of exploitation in the next 30 days, 63rd percentile
- Published
- 2023-03-28
- Updated
- 2025-11-03
Proof-of-concept exploits (1)
- drkbcn/lblfixer_cve_2023_284472★ · 2023-03-30
Security advisories
- smarty-php/smarty/security/advisories/GHSA-7j98-h7fp-4vwj
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/me…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/me…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/me…
- advisories/GHSA-7j98-h7fp-4vwj
- smarty-php/smarty/commit/685662466f653597428966d75a661073104d713d