CVE-2023-44763_ConcreteCMS-Arbitrary-file-upload-Thumbnail

ConcreteCMS Stored XSS v.9.2.1 Author: Sergio Description: ConcreteCMS v9.2.1 is affected by Arbitrary File Upload vulnerability which allows Cross-Site Scriting XSS stored. Attack Vectors: A vulnerability in "Thumbnail" file upload sanitation allows you to upload a PDF / SVG /HTML file with hidd...

CVE-2023-44761_ConcreteCMS-Stored-XSS---Forms

ConcreteCMS Stored XSS v.9.2.1 Author: Sergio Description: Multiple Cross Site Scripting vulnerability in ConcreteCMS v.9.2.1 allows a local attacker to execute arbitrary code via a crafted script to the Forms of the Data objects. Attack Vectors: Scripting A vulnerability in the sanitization of t...

CVE-2023-44765_ConcreteCMS-Stored-XSS---Associations

ConcreteCMS XSS v2.2.18 Author: Sergio Description: Cross Site Scripting vulnerability in ConcreteCMS v.9.2.1 allows a local attacker to execute arbitrary code via a crafted script to Plural Handle of the Data Objects from System & Settings. Attack Vectors: Scripting A vulnerability in the...

CVE-2023-44762_ConcreteCMS-Reflected-XSS---Tags

ConcreteCMS Reflected XSS v.9.2.1 Author: Sergio Description: Cross Site Scripting vulnerability in ConcreteCMS v.9.2.1 allows a local attacker to execute arbitrary code via a crafted script to the Tags from Settings - Tags. Attack Vectors: Scripting a vulnerability in the sanitization of the ent...

CVE-2023-44766_ConcreteCMS-Stored-XSS---SEO

ConcreteCMS Stored XSS v.9.2.1 Author: Sergio Description: Cross Site Scripting vulnerability in ConcreteCMS v.9.2.1 allows a local attacker to execute arbitrary code via a crafted script to the SEO - Extra from Page Settings. Attack Vectors: Scripting A vulnerability in the sanitization of the...

CVE-2023-44760_ConcreteCMS-Stored-XSS---TrackingCodes

ConcreteCMS Stored XSS v.9.2.1 Author: Sergio Description: Multiple Cross Site Scripting vulnerability in ConcreteCMS v.9.2.1 allows a local attacker to execute arbitrary code via a crafted script to the Header and Footer Tracking Codes of the SEO & Statistics. Attack Vectors: Scripting A...

CVE-2023-44764_ConcreteCMS-Stored-XSS---Site_Installation

ConcreteCMS Stored XSS v.9.2.1 Author: Sergio Description: Cross Site Scripting vulnerability in ConcreteCMS v.9.2.1 allows a local attacker to execute arbitrary code via a crafted script to the SITE parameter from installation or in the Settings. Attack Vectors: Scripting A vulnerability in the...

Exploit for Missing Authorization in Concretecms Concrete_Cms

CVE-2026-...

Concrete CMS serialization injection vulnerability

ConcreteCMS is an open-source content management system developed by Concrete. Versions of ConcreteCMS prior to 9.5.2 contained security vulnerabilities. These vulnerabilities stemmed from the unserialize method calls in Workflow, Form blocks, and File/Set components, which lacked a allowedclasse...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

GHSA-P68C-RMFH-J48H ConcreteCMS is vulnerable to Denial of Service During Bulk Downloads

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

ConcreteCMS is vulnerable to Denial of Service During Bulk Downloads

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

EUVD-2026-14895

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

ConcreteCms resource management error vulnerability

ConcreteCMS is an open-source content management system developed by Concrete. Version 9.4.7 of ConcreteCMS contains a vulnerability related to resource management. This vulnerability stems from improper memory management during the creation of zip archives by the file manager component, which ma...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

CVE-2026-30662: Uncontrolled Resource Consumption

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...