CVE-2017-5490 : Cross-site scripting (XSS) vulnerability in the theme-name fallback functionalit

Cross-site scripting (XSS) vulnerability in the theme-name fallback functionality in wp-includes/class-wp-theme.php in WordPress before 4.7.1 allows remote attackers to inject arbitrary web script or HTML via a crafted directory name of a theme, related to wp-admin/includes/class-theme-installer-skin.php.

Published 2017-01-15 02:59:03

Updated 2017-11-04 01:29:44

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2017-5490

Wordpress » Wordpress
Versions up to, including, (<=) 4.7
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2017-5490

Top countries where our scanners detected CVE-2017-5490

Top open port discovered on systems with this issue 80

IPs affected by CVE-2017-5490 28

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2017-5490!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2017-5490

EPSS FAQ

0.66%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 79 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-5490

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2017-5490

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-5490

http://www.securityfocus.com/bid/95402

WordPress Prior to 4.7.1 Cross Site Scripting Vulnerability
https://www.mehmetince.net/low-severity-wordpress/

Low Severity | WordPress – Mehmet INCE | Information Security
Technical Description;Third Party Advisory
https://wpvulndb.com/vulnerabilities/8718

WordPress 3.4-4.7 - Stored Cross-Site Scripting (XSS) via Theme Name fallback
https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/

News – WordPress 4.7.1 Security and Maintenance Release – WordPress.org
Vendor Advisory

CVEs referencing this url
http://www.securitytracker.com/id/1037591

WordPress Bugs Let Remote Users Conduct Cross-Site Scripting and Cross-Site Request Forgery Attacks and Obtain Potentially Sensitive Information - SecurityTracker

CVEs referencing this url
https://github.com/WordPress/WordPress/commit/ce7fb2934dd111e6353784852de8aea2a938b359

Themes: Fix markup for theme name fallbacks. · WordPress/WordPress@ce7fb29 · GitHub
Patch
http://www.openwall.com/lists/oss-security/2017/01/14/6

oss-security - Re: CVE Request: Wordpress: 8 security issues in 4.7
Mailing List;Third Party Advisory

CVEs referencing this url
http://www.debian.org/security/2017/dsa-3779

Debian -- Security Information -- DSA-3779-1 wordpress

CVEs referencing this url
https://codex.wordpress.org/Version_4.7.1

Version 4.7.1 | WordPress.org
Release Notes;Vendor Advisory

CVEs referencing this url