High severityNVD Advisory· Published Jan 2, 2024· Updated Jun 3, 2025
Some attribute not escaped in Validate::isCleanHTML method
CVE-2024-21627
Description
PrestaShop is an open-source e-commerce platform. Prior to versions 8.1.3 and 1.7.8.11, some event attributes are not detected by the isCleanHTML method. Some modules using the isCleanHTML method could be vulnerable to cross-site scripting. Versions 8.1.3 and 1.7.8.11 contain a patch for this issue. The best workaround is to use the HTMLPurifier library to sanitize html input coming from users. The library is already available as a dependency in the PrestaShop project. Beware though that in legacy object models, fields of HTML type will call isCleanHTML.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
prestashop/prestashopPackagist | >= 8.0.0-beta.1, < 8.1.3 | 8.1.3 |
prestashop/prestashopPackagist | < 1.7.8.11 | 1.7.8.11 |
Affected products
3- osv-coords2 versions
>= 8.0.0, < 8.1.3+ 1 more
- (no CPE)range: >= 8.0.0, < 8.1.3
- (no CPE)range: >= 8.0.0-beta.1, < 8.1.3
- Range: >= 8.0.0, < 8.1.3
Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-xgpm-q3mq-46rqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-21627ghsaADVISORY
- github.com/PrestaShop/PrestaShop/commit/0ed1af8de500538490f88e9e794e2e8113fb8df7ghsaWEB
- github.com/PrestaShop/PrestaShop/commit/73cfb44666818eefd501b526a894fe884dd12129ghsax_refsource_MISCWEB
- github.com/PrestaShop/PrestaShop/commit/ba06d18466df5b92cb841d504cc7210121104883ghsax_refsource_MISCWEB
- github.com/PrestaShop/PrestaShop/commit/f799dcff564cd1b7ead932ffc3343b675107dbceghsaWEB
- github.com/PrestaShop/PrestaShop/security/advisories/GHSA-xgpm-q3mq-46rqghsax_refsource_CONFIRMWEB
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