Vendor
Concrete CMS
139 known vulnerabilities.
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Medium 4.8CVE-2025-8571 Public exploit
Concrete CMS 9 through 9.4.2 and below 8.5.21 is vulnerable to Reflected Cross-Site Scripting (XSS) in Conversation Messages Dashboard Page
Concrete CMS 9 to 9.4.2 and versions below 8.5.21 are vulnerable to Reflected Cross-Site Scripting (XSS) in the Conversation Messages Dashboard Page. Unsanitized input could cause theft of session cookies or tokens, defacement of web content, redirection to m…
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Medium 5.1
Concrete CMS version 9 below 9.4.0RC2 and versions below 8.5.20 - CSRF and XSS in Concrete CMS Custom Address attribute
Concrete CMS version 9 below 9.4.0RC2 and versions below 8.5.20 are vulnerable to CSRF and XSS in the Concrete CMS Address attribute because addresses are not properly sanitized in the output when a country is not specified. Attackers are limited to individu…
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Medium 4.8
Stored XSS in Folder Function by Rogue Admin
Concrete CMS versions 9.0.0 through 9.3.9 are affected by a stored XSS in Folder Function.The "Add Folder" functionality lacks input sanitization, allowing a rogue admin to inject XSS payloads as folder names. The Concrete CMS security team gave this vulnera…
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Medium 4.6
Concrete CMS Stored XSS Vulnerability in Calendar Event Addition Feature
Concrete CMS versions 9 through 9.3.3 and versions below 8.5.19 are vulnerable to stored XSS in the calendar event addition feature because the calendar event name was not sanitized on output. Users or groups with permission to create event calendars can embe…
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Medium 5.1
Concrete CMS Stored XSS in Image Editor Background Color
Concrete CMS versions 9.0.0 to 9.3.3 and below 8.5.19 are vulnerable to Stored XSS in Image Editor Background Color. A rogue admin could add malicious code to the Thumbnails/Add-Type. The Concrete CMS Security Team gave this a CVSS v4 score of 5.1 with vecto…
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Medium 4.6
Stored XSS in the "Top Navigator Bar" block
Concrete CMS versions 9.0.0 through 9.3.3 are affected by a stored XSS vulnerability in the "Top Navigator Bar" block. Since the "Top Navigator Bar" output was not sufficiently sanitized, a rogue administrator could add a malicious payload that could be execu…
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Medium 4.6
Concrete CMS version 9.0.0 to 9.3.3 and below 8.5.19 are vulnerable to Stored XSS in the "Next&Previous Nav" block
Concrete CMS versions 9.0.0 to 9.3.3 and below 8.5.19 are vulnerable to Stored XSS in the "Next&Previous Nav" block. A rogue administrator could add a malicious payload by executing it in the browsers of targeted users. The Concrete CMS Security Team gave thi…
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Medium 5.1
Concrete CMS version 9 below 9.3.3 and below 8.5.18 are vulnerable to Stored XSS in RSS Displayer
Concrete CMS versions 9.0.0 to 9.3.2 and below 8.5.18 are vulnerable to Stored XSS in RSS Displayer when user input is stored and later embedded into responses. A rogue administrator could inject malicious code into fields due to insufficient input validation…
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Medium 4.6
Concrete CMS Stored XSS in Board instances
Concrete CMS versions 9.0.0 through 9.3.2 are affected by a stored XSS vulnerability in Board instances. A rogue administrator could inject malicious code. The Concrete CMS security team gave this vulnerability a CVSS 4.0 Score of 4.6 with vector: CVSS:4.0/AV…
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Medium 4.6
Concrete CMS version 9.0.0 through 9.3.2 and below 8.5.18 - Stored XSS in getAttributeSetName()
Concrete CMS versions 9 through 9.3.2 and below 8.5.18 are vulnerable to Stored XSS in getAttributeSetName(). A rogue administrator could inject malicious code. The Concrete CMS team gave this a CVSS v4.0 rank of 4.6 with vector https://www.first.org/cvss/cal…
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Medium 4.6
Stored XSS in Generate Board Name Input Field
Concrete CMS versions 9.0.0 through 9.3.2 are affected by a stored XSS vulnerability in the generate dashboard board instance functionality. The Name input field does not check the input sufficiently letting a rogue administrator have the capability to inject…