Vulnerability CVE-2017-17093
Published: 2017-12-02

Description:
wp-includes/general-template.php in WordPress before 4.9.1 does not properly restrict the lang attribute of an HTML element, which might allow attackers to conduct XSS attacks via the language setting of a site.

Type:

CWE-79

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

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
Affected software
Wordpress -> Wordpress 
Debian -> Debian linux 

 References:
http://www.securityfocus.com/bid/102024
https://codex.wordpress.org/Version_4.9.1
https://github.com/WordPress/WordPress/commit/3713ac5ebc90fb2011e98dfd691420f43da6c09a
https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/
https://wpvulndb.com/vulnerabilities/8968
https://www.debian.org/security/2018/dsa-4090
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