The vulnerability of the IPS\cms\modules\front\pages\_builder::previewBlock method in the IPS Community Suite web forum software allows a hacker to execute arbitrary PHP code.

The vulnerability of the IPS\cms\modules\front\pages\builder::previewBlock method in the IPS Community Suite web forum software is related to improper code generation management. Exploiting this vulnerability allows a malicious actor to execute arbitrary PHP code remotely...

CVE-2021-32924: Improper Control of Generation of Code

Invision Community aka IPS Community Suite before 4.6.0 allows eval-based PHP code injection by a moderator because the IPS\cms\modules\front\pages\builder::previewBlock method interacts unsafely with the IPS\Theme::runProcessFunction method...