CVE-2015-3440 EXPLOIT
4.3
MEDIUM · CVSS 2.0 · EPSS 16.9% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 4.3 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| EPSS | 16.89% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2015-08-03 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| wordpress | wordpress |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | WordPress Core 4.2 - Persistent Cross-Site Scripting | 2015-04-27 |
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.html
- http://seclists.org/fulldisclosure/2015/Apr/84
- 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.html
- https://wordpress.org/news/2015/04/wordpress-4-2-1/
- https://wpvulndb.com/vulnerabilities/7945
- https://www.exploit-db.com/exploits/36844/
- 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
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