CVE-2023-28447Cross site scripting vulnerability in Javascript escaping in smarty/smarty
- 7.1HighCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 36% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By GitHub_M
- 13 days later
· 13 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected >= 4.0.0, < 4.3.1
- affected < 3.1.48
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistsmarty/smartyGHSA-7j98-h7fp-4vwj (opens in a new tab)
References
References6
- https://github.com/smarty-php/smarty/security/advisories/GHSA-7j98-h7fp-4vwj (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/smarty-php/smarty/commit/685662466f653597428966d75a661073104d713d (opens in a new tab)x_refsource_MISCx_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/HSAUM3YHWHO4UCJXRGRLQGPJAO3MFOZZ/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/JBB35GLYTL6JL6EOM6BOZNYP47JKNNHT/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/P7O7SKTATM6GAP45S64QFXNLWIY5I7HP/ (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/11/msg00013.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-0924 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-7j98-h7fp-4vwj (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-28447)Record last updated .