Concrete CMS has a stored Cross-site Scripting (XSS) vulnerability

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team thanks minhnn42, namdi and quanlna2 from VCSLab-Viettel Cyber Security for...

EUVD-2026-9359

In Concrete CMS below version 9.4.8, a stored cross-site scripting XSS vulnerability exists in the "Legacy Form" block. An authenticated user with permissions to create or edit forms e.g., a rogue administrator can inject a persistent JavaScript payload into the options of a multiple-choice...

GHSA-45FJ-FVMM-XCC5 Concrete CMS has a stored Cross-site Scripting (XSS) vulnerability

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team thanks minhnn42, namdi and quanlna2 from VCSLab-Viettel Cyber Security for...

Concrete CMS has a stored Cross-site Scripting (XSS) vulnerability

In Concrete CMS below version 9.4.8, a Cross-site Scripting XSS vulnerability exists in the "Legacy Form" block. An authenticated user with permissions to create or edit forms e.g., a rogue administrator can inject a persistent JavaScript payload into the options of a multiple-choice question...

CVE-2026-3241

In Concrete CMS below version 9.4.8, a stored cross-site scripting XSS vulnerability exists in the "Legacy Form" block. An authenticated user with permissions to create or edit forms e.g., a rogue administrator can inject a persistent JavaScript payload into the options of a multiple-choice...

CVE-2026-3240

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with...

CVE-2026-3240 Concrete CMS below 9.4.8 is vulnerable to Stored XSS via Legacy form

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with...

CVE-2026-3240 Concrete CMS below 9.4.8 is vulnerable to Stored XSS via Legacy form

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with...

CVE-2026-3240

Concrete CMS

CVE-2026-3240 Concrete CMS below 9.4.8 is vulnerable to Stored XSS via Legacy form

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with...

CVE-2026-3241

In Concrete CMS below version 9.4.8, a stored cross-site scripting XSS vulnerability exists in the "Legacy Form" block. An authenticated user with permissions to create or edit forms e.g., a rogue administrator can inject a persistent JavaScript payload into the options of a multiple-choice...

CVE-2026-3241 Concrete CMS below version 9.4.8 is vulnerable to a stored cross-site scripting (XSS) in the "Legacy Form" block.

In Concrete CMS below version 9.4.8, a stored cross-site scripting XSS vulnerability exists in the "Legacy Form" block. An authenticated user with permissions to create or edit forms e.g., a rogue administrator can inject a persistent JavaScript payload into the options of a multiple-choice...

CVE-2026-3241 Concrete CMS below version 9.4.8 is vulnerable to a stored cross-site scripting (XSS) in the "Legacy Form" block.

In Concrete CMS below version 9.4.8, a stored cross-site scripting XSS vulnerability exists in the "Legacy Form" block. An authenticated user with permissions to create or edit forms e.g., a rogue administrator can inject a persistent JavaScript payload into the options of a multiple-choice...

CVE-2026-3241 Concrete CMS below version 9.4.8 is vulnerable to a stored cross-site scripting (XSS) in the "Legacy Form" block.

In Concrete CMS below version 9.4.8, a stored cross-site scripting XSS vulnerability exists in the "Legacy Form" block. An authenticated user with permissions to create or edit forms e.g., a rogue administrator can inject a persistent JavaScript payload into the options of a multiple-choice...

CVE-2026-3241

Concrete CMS versions below 9.4.8 are affected by a stored XSS in the Legacy Form block. An authenticated user with permissions to create or edit forms (e.g., a rogue administrator) can inject a persistent JavaScript payload into the options of a multiple‑choice question (Checkbox List, Radio But...

PT-2026-22866

In Concrete CMS below version 9.4.8, a stored cross-site scripting XSS vulnerability exists in the "Legacy Form" block. An authenticated user with permissions to create or edit forms e.g., a rogue administrator can inject a persistent JavaScript payload into the options of a multiple-choice...

CVE-2025-70219

Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the goform/formDeviceReboot...

PT-2026-22952

Name of the Vulnerable Software and Affected Versions Multer versions prior to 2.1.1 Description A flaw exists in Multer, a node.js middleware used for processing multipart/form-data. This issue can be exploited to cause a Denial of Service DoS by submitting specially crafted requests, which may...

Concrete CMS 安全漏洞

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions of Concrete CMS prior to 9.4.8 contained a security vulnerability. This vulnerability stemmed from a storage-type cross-site scripting in the Legacy Form block, which could allow malicious JavaScript...

PT-2026-22865

In Concrete CMS below version 9.4.8, a user with permission to edit a page with element Legacy form can perform a stored XSS attack towards high-privilege accounts via the Question field. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with...