CVE-2022-34169

CVE-2022-34169 PoC A malleable PoC and solution for the SUpwn challenge from SUCTF 2025. Based on this issue from the original discoverer Felix Wilhelm and this blog post thanat0s. Tries not to rely as much on hard constants as the existing PoCs out there. If you want to deliver a different java...

CVE-2026-85386 Concrete CMS before 9.5.4 stored is vulneratble to cross-site scripting via unauthenticated XML/XSLT file upload in the Form Block

Concrete CMS before 9.5.4 did not sanitize XML and XSLT documents uploaded through a public Form Block file-upload question. Plain XML uploads were validated by file extension only and stored as publicly accessible files that were served inline from the application's own origin. An unauthenticate...

CVE-2026-85386

Concrete CMS before 9.5.4 is vulnerable to stored cross-site scripting via unauthenticated file upload in the Form Block component. XML and XSLT documents submitted through a public file-upload question were validated by file extension only and served inline from the application's own origin. An ...