REDAXO is a PHP-based content management system. Prior to 5.21.2, rex_api_install_package_update in redaxo/src/addons/install/lib/api/api_package_update.php inherits the false default from rex_api_function::requiresCsrfProtection() instead of requiring a CSRF token. An unauthenticated attacker can cause a logged-in administrator's browser to request a selected package update from the configured REDAXO package server, changing installed addon code or disrupting the site without the administrator's intent. This issue is fixed in version 5.21.2.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-352"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63000.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:redaxo:redaxo:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "5.21.2"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "a13abbffbad4fdea46a4edc86cdba3335ca9e8f3"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "5.21.2",
"range": [
{
"fixed": "31d61c6a460b6c8daf09baa75d6477fa3a93a68b"
}
],
"source": "REFERENCES_TAG"
}
]
}