XSS in WordPress
CVE-2015-3438
Multiple cross-site scripting (XSS) vulnerabilities in WordPress before 4.1.2, when MySQL is used without strict mode, allow remote attackers to inject arbitrary web script or HTML via a (1) four-byte UTF-8 character or (2) invalid character that reaches the database layer, as demonstrated by a crafted character in a comment.
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: 0.074 (94.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.071 · newest: 0.074 · change: +0.003
Affected products
- WordPress
- Debian Linux — versions 7.0, 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html (vendor-advisory)
- wpvulndb.com/vulnerabilities/7929
- wordpress.org/news/2015/04/wordpress-4-1-2/ (Patch, Vendor Advisory)
- www.securityfocus.com/bid/74269 (vdb-entry)
- lists.fedoraproject.org/pipermail/package-announce/2015-May/158278.html (vendor-advisory)
- www.securitytracker.com/id/1032207 (vdb-entry)
- www.debian.org/security/2015/dsa-3250 (vendor-advisory)
- codex.wordpress.org/Version_4.1.2 (Patch)
- cedricvb.be/post/wordpress-stored-xss-vulnerability-4-1-2/ (Exploit)
- lists.fedoraproject.org/pipermail/package-announce/2015-May/158271.html (vendor-advisory)
Frequently asked questions
- What is CVE-2015-3438?
- CVE-2015-3438 is a vulnerability in WordPress, classified under Cross-site Scripting. Published 2015-08-05.
- Is CVE-2015-3438 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.