CVE-2015-3440
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
WordPress Core 4.2 - Persistent Cross-Site Scripting
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| debian | bookworm | fixed | 4.2.1+dfsg-1 |
| debian | bullseye | fixed | 4.2.1+dfsg-1 |
| debian | forky | fixed | 4.2.1+dfsg-1 |
| debian | sid | fixed | 4.2.1+dfsg-1 |
| debian | trixie | fixed | 4.2.1+dfsg-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| wordpress | wordpress | {"endIncluding":"4.2"} | |
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/
- https://security-tracker.debian.org/tracker/CVE-2015-3440
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.