A vulnerability was determined in PublicCMS up to 5.202608.a. Affected by this issue is the function SafeConfigComponent.getSafeUrl of the file publiccms-core/src/main/java/com/publiccms/logic/component/config/SafeConfigComponent.java of the component pay Endpoint. Executing a manipulation of the argument returnUrl can lead to open redirect. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.