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…
- 4.3MediumCVSS base score
- 16.9%Exploitation in 30 daysEPSS · top 2.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- WordPress Core 4.2 - Persistent Cross-Site Scripting (Exploit-DB entry) (opens in a new tab)
EDB-ID 36844webapps, phppublished 27 Apr 2015Verified
References tagged exploit1 reference
- 36844 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By debian
- 3 months later
· 3 months later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 16.9% · top 2.9% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
15
- 36844 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- FEDORA-2015-6778 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://codex.wordpress.org/Version_4.2.1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://klikki.fi/adv/wordpress2.html (opens in a new tab)x_refsource_MISCx_transferred
- https://wpvulndb.com/vulnerabilities/7945 (opens in a new tab)x_refsource_MISCx_transferred
- https://wordpress.org/news/2015/04/wordpress-4-2-1/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2015-6790 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 74334 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20150426 WordPress 4.2 stored XSS (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- https://core.trac.wordpress.org/changeset/32299 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 121320 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1032199 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-3250 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- FEDORA-2015-6808 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://packetstormsecurity.com/files/131644/WordPress-4.2-Cross-Site-Scripting.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-3484 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-3440)Record last updated .