Concrete5 <= 8.4.3 XSS Vulnerability

Technical Details

Severity Level:

Low Severity

CVSS Score:

3.5

CVSS Base Vector:
AV:N/AC:M/Au:S/C:N/I:P/A:N

Detection Type:
Remote Banner

Solution Type:
Vendor Patch

Summary:
Concrete5 is prone to a stored cross-site scripting (XSS) vulnerability.

Detection Method:
Checks if a vulnerable version is present on the target host.

Technical Details:
The vulnerability exists because config/concrete.php allows uploads (by administrators) of SVG files that may contain HTML data with a SCRIPT element.

Impact:
Successful exploitation would allow an authenticated attacker to store malicious code inside the application which is then being executed when browsing to an affected site.

Affected Versions:
Concrete5 through version 8.4.3.

Recommendations:
Update to version 8.4.4 or later.

Family:

Web application abuses

Creation Time:

2019-06-19 11:19:12

Modification Time:

2019-06-19 11:25:42

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NVD CVE ID:
CVE-2018-19146

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