CVE-2017-5490

Name: CVE-2017-5490
Creator: NVD / NIST
Published: 2017-01-15T02:59:02.937+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.44%

Last modified Jun 17, 2026

CVE-2017-5490 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.44% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

2.44%

82.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wordpress	Wordpress	<= 4.7

References

http://www.debian.org/security/2017/dsa-3779
http://www.openwall.com/lists/oss-security/2017/01/14/6Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/95402
http://www.securitytracker.com/id/1037591
https://codex.wordpress.org/Version_4.7.1Release Notes, Vendor Advisory
https://github.com/WordPress/WordPress/commit/ce7fb2934dd111e6353784852de8aea2a938b359Patch
https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/Vendor Advisory
https://wpvulndb.com/vulnerabilities/8718
https://www.mehmetince.net/low-severity-wordpress/Technical Description, Third Party Advisory
http://www.debian.org/security/2017/dsa-3779
http://www.openwall.com/lists/oss-security/2017/01/14/6Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/95402
http://www.securitytracker.com/id/1037591
https://codex.wordpress.org/Version_4.7.1Release Notes, Vendor Advisory
https://github.com/WordPress/WordPress/commit/ce7fb2934dd111e6353784852de8aea2a938b359Patch
https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/Vendor Advisory
https://wpvulndb.com/vulnerabilities/8718
https://www.mehmetince.net/low-severity-wordpress/Technical Description, Third Party Advisory

Timeline

Published: Jan 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5490?

How severe is CVE-2017-5490?

Severity scoring for CVE-2017-5490 is pending analysis. The EPSS model estimates a 2.44% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5490?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-5490?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST