Vulnerability CVE-2018-18290


Published: 2018-10-14

Description:
** DISPUTED ** An issue was discovered in nc-cms through 2017-03-10. index.php?action=edit_html&name=home_content allows XSS via the HTML Source Editor. NOTE: the vendor disputes this because the form requires administrator privileges, and entering JavaScript is supported functionality.

Type:

CWE-79

(Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

Vendor: Nconsulting
Product: Nc-cms 
Version: 2017-03-10;

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None

 References:
https://github.com/gnat/nc-cms/issues/9

Related CVE
CVE-2019-7721
lib/NCCms.class.php in nc-cms 3.5 allows upload of .php files via the index.php?action=save name and editordata parameters.
CVE-2018-18874
nc-cms through 2017-03-10 allows remote attackers to execute arbitrary PHP code via the "Upload File or Image" feature, with a .php filename and "Content-Type: application/octet-stream" to the index.php?action=file_manager_upload URI.
CVE-2018-18361
An issue was discovered in nc-cms through 2017-03-10. index.php?action=edit_html allows XSS via the name parameter, as demonstrated by a value beginning with home_content and containing a crafted SRC attribute of an IMG element.

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