PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables
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.
Source excerpt · OSVAffected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
| Affected range | Recorded fix |
|---|---|
| From 9.0.0-alpha.1 before 9.1.0Ecosystem versions | 9.1.0 |
| Earlier releases before 8.2.5Ecosystem versions | 8.2.5 |
Version evidence: OSV · GHSA-35pf-37c6-jxjv
View original version evidence (111 explicit versions)
Original source 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
References
- Security advisory github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv
- Security advisory nvd.nist.gov/vuln/detail/CVE-2026-33673
- Source reference github.com/PrestaShop/PrestaShop
- Release notes github.com/PrestaShop/PrestaShop/releases/tag/8.2.5
- Release notes github.com/PrestaShop/PrestaShop/releases/tag/9.1.0