CVE-2026-71236

Grocy's API request-body parser controllers/Api/BaseApiController.php, GetParsedAndFilteredRequestBody purifies incoming field values with HTMLPurifier, then manually reverses HTML-entity encoding of the resulting output by replacing , , and & back to , and & immediately after purification...

CVE-2026-71236 Grocy - Stored XSS via HTMLPurifier Output Double-Decode

Grocy's API request-body parser controllers/Api/BaseApiController.php, GetParsedAndFilteredRequestBody purifies incoming field values with HTMLPurifier, then manually reverses HTML-entity encoding of the resulting output by replacing , , and back to , and & immediately after purification...