CVE-2015-3440

Public Exploit

Description

Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 10.33% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/36844/ exploit
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html vendor advisory
http://codex.wordpress.org/Version_4.2.1
https://klikki.fi/adv/wordpress2.html exploit
https://wpvulndb.com/vulnerabilities/7945
https://wordpress.org/news/2015/04/wordpress-4-2-1/ patch vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html vendor advisory
http://www.securityfocus.com/bid/74334 vdb entry
http://seclists.org/fulldisclosure/2015/Apr/84 mailing list exploit
https://core.trac.wordpress.org/changeset/32299
http://osvdb.org/show/osvdb/121320 vdb entry
http://www.securitytracker.com/id/1032199 vdb entry
http://www.debian.org/security/2015/dsa-3250 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html vendor advisory
http://packetstormsecurity.com/files/131644/WordPress-4.2-Cross-Site-Scripting.html exploit

Frequently Asked Questions

What is the severity of CVE-2015-3440?
CVE-2015-3440 has been scored as a medium severity vulnerability.
How to fix CVE-2015-3440?
To fix CVE-2015-3440, 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-2015-3440 being actively exploited in the wild?
It is possible that CVE-2015-3440 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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