CVE-2015-5734

Description

Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.45% Top 15%
Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory wordpress.org Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release/ patch vendor advisory
http://openwall.com/lists/oss-security/2015/08/04/7 mailing list
http://www.securitytracker.com/id/1033178 vdb entry
https://core.trac.wordpress.org/changeset/33549
http://www.debian.org/security/2015/dsa-3332 vendor advisory
http://www.securityfocus.com/bid/76331 vdb entry
https://wpvulndb.com/vulnerabilities/8133
https://codex.wordpress.org/Version_4.2.4 patch vendor advisory
http://www.debian.org/security/2015/dsa-3383 vendor advisory
https://blog.sucuri.net/2015/08/persistent-xss-vulnerability-in-wordpress-explained.html

Frequently Asked Questions

What is the severity of CVE-2015-5734?
CVE-2015-5734 has been scored as a medium severity vulnerability.
How to fix CVE-2015-5734?
To fix CVE-2015-5734, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5734 being actively exploited in the wild?
It is possible that CVE-2015-5734 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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