XSS in WordPress
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.169 (97.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.163 · newest: 0.169 · change: +0.006
Affected products
- WordPress
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/36844/ (Exploit, exploit)
- lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html (vendor-advisory)
- codex.wordpress.org/Version_4.2.1
- klikki.fi/adv/wordpress2.html (Exploit)
- wpvulndb.com/vulnerabilities/7945
- wordpress.org/news/2015/04/wordpress-4-2-1/ (Patch, Vendor Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html (vendor-advisory)
- www.securityfocus.com/bid/74334 (vdb-entry)
- seclists.org/fulldisclosure/2015/Apr/84 (mailing-list, Exploit)
- core.trac.wordpress.org/changeset/32299
Frequently asked questions
- What is CVE-2015-3440?
- CVE-2015-3440 is a vulnerability in WordPress, classified under Cross-site Scripting. Published 2015-08-03.
- Is CVE-2015-3440 known to be exploited?
- 49 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.