CVE-2026-33673
PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables
7.6
HIGH
CVSS 3.1
EPSS 0.02%
Description
### Impact Multiple stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO: an attacker who can inject data into the database, via limited back-office access or a previously existing vulnerability, can exploit unprotected variables in back-office templates. ### Patches Patched on 8.2.5 and 9.1.0 ### Workarounds None ### References None
How to fix CVE-2026-33673
To remediate CVE-2026-33673, upgrade the affected package to a fixed version below.
- —upgrade to 8.2.5 or later
- —upgrade to 9.1.0 or later
Is CVE-2026-33673 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 8.2.5, >= 9.0.0, < 9.1.0
- >= 9.0.0-alpha.1, < 9.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.6 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H |