CVE-2015-3440
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 16.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 16.89% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 27 April 2015
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- debian/debian linux · wordpress/wordpress
- Source
- security@debian.org
EPSS 16.9% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://codex.wordpress.org/Version_4.2.1
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html
- http://osvdb.org/show/osvdb/121320
- http://packetstormsecurity.com/files/131644/WordPress-4.2-Cross-Site-Scripting.htmlExploit
- http://seclists.org/fulldisclosure/2015/Apr/84Exploit
- http://www.debian.org/security/2015/dsa-3250
- http://www.securityfocus.com/bid/74334
- http://www.securitytracker.com/id/1032199
- https://core.trac.wordpress.org/changeset/32299
- https://klikki.fi/adv/wordpress2.htmlExploit
- https://wordpress.org/news/2015/04/wordpress-4-2-1/Patch, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/7945
- https://www.exploit-db.com/exploits/36844/Exploit
- http://codex.wordpress.org/Version_4.2.1
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html
- http://osvdb.org/show/osvdb/121320
- http://packetstormsecurity.com/files/131644/WordPress-4.2-Cross-Site-Scripting.htmlExploit
- http://seclists.org/fulldisclosure/2015/Apr/84Exploit
- http://www.debian.org/security/2015/dsa-3250
- http://www.securityfocus.com/bid/74334
- http://www.securitytracker.com/id/1032199
- https://core.trac.wordpress.org/changeset/32299
- https://klikki.fi/adv/wordpress2.htmlExploit
- https://wordpress.org/news/2015/04/wordpress-4-2-1/Patch, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/7945
- https://www.exploit-db.com/exploits/36844/Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.