CVE-2024-21627: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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.
References
- github.com/PrestaShop/PrestaShop/commit/0ed1af8de500538490f88e9e794e2e8113fb8df7
- github.com/PrestaShop/PrestaShop/commit/73cfb44666818eefd501b526a894fe884dd12129
- github.com/PrestaShop/PrestaShop/commit/ba06d18466df5b92cb841d504cc7210121104883
- github.com/PrestaShop/PrestaShop/commit/f799dcff564cd1b7ead932ffc3343b675107dbce
- github.com/PrestaShop/PrestaShop/security/advisories/GHSA-xgpm-q3mq-46rq
- github.com/advisories/GHSA-xgpm-q3mq-46rq
- nvd.nist.gov/vuln/detail/CVE-2024-21627
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