A vulnerability has been found in Sanluan PublicCMS up to 4.0.202506.d/5.202506.d/6.202506.d. Impacted is the function Paid of the file publiccms-parent/publiccms-trade/src/main/java/com/publiccms/logic/service/trade/TradePaymentService.java of the component Trade Payment Handler. The manipulation of the argument paymentId leads to improper authorization. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The identifier of the patch is 7329437e1288540336b1c66c114ed3363adcba02. It is recommended to apply a patch to fix this issue.