CVE-2015-3438
Multiple cross-site scripting (XSS) vulnerabilities in WordPress before 4.1.2, when MySQL is used...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2015-3438- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-3438- Updated
- 2026-11-02
EUVDEUVD-2015-3482 No score
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.
- Record
EUVD-2015-3482- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cv8p-7fxf-fmqr No score
Multiple cross-site scripting (XSS) vulnerabilities in WordPress before 4.1.2, when MySQL is used...
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.
- Record
GHSA-cv8p-7fxf-fmqr- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2015-3438- Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-3438 No score
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.
- Record
DEBIAN-CVE-2015-3438- Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-3438 No score
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.
- Record
UBUNTU-CVE-2015-3438- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wordpressDebian:12 |
before 4.2+dfsg-1 | 4.2+dfsg-1 |
wordpressDebian:13 |
before 4.2+dfsg-1 | 4.2+dfsg-1 |
wordpressDebian:14 |
before 4.2+dfsg-1 | 4.2+dfsg-1 |
wordpressDebian:6.0 |
before 3.6.1+dfsg-1~deb6u6, plus listed versions 3.0.4+dfsg-13.0.5+dfsg-0+squeeze13.0.5+dfsg-13.2.1+dfsg-13.2.1+dfsg-2 Show 22 moreShow less3.2.1+dfsg-33.3+dfsg-13.3.1+dfsg-13.3.2+dfsg-13.3.2+dfsg-1~squeeze13.4+dfsg-13.4+dfsg-23.4+dfsg-33.4.1+dfsg-13.4.2+dfsg-13.5+dfsg-13.5.1+dfsg-13.5.1+dfsg-23.5.2+dfsg-13.5.2+dfsg-1~deb6u13.5.2+dfsg-1~deb7u13.6+dfsg-13.6.1+dfsg-1~deb6u13.6.1+dfsg-1~deb6u23.6.1+dfsg-1~deb6u33.6.1+dfsg-1~deb6u43.6.1+dfsg-1~deb6u5 |
3.6.1+dfsg-1~deb6u6 |
wordpressDebian:7 |
before 3.6.1+dfsg-1~deb7u6, plus listed versions 3.5.1+dfsg-23.5.2+dfsg-13.5.2+dfsg-1~deb6u13.5.2+dfsg-1~deb7u13.6+dfsg-1 Show 14 moreShow less3.6.1+dfsg-1~deb6u13.6.1+dfsg-1~deb6u23.6.1+dfsg-1~deb6u33.6.1+dfsg-1~deb6u43.6.1+dfsg-1~deb6u53.6.1+dfsg-1~deb6u63.6.1+dfsg-1~deb6u73.6.1+dfsg-1~deb6u83.6.1+dfsg-1~deb6u93.6.1+dfsg-1~deb7u13.6.1+dfsg-1~deb7u23.6.1+dfsg-1~deb7u33.6.1+dfsg-1~deb7u43.6.1+dfsg-1~deb7u5 |
3.6.1+dfsg-1~deb7u6 |
wordpressDebian:8 |
before 4.1+dfsg-1+deb8u1, plus listed versions 4.1+dfsg-1 |
4.1+dfsg-1+deb8u1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-3438 is a medium vulnerability (CVSS 4.3) in Wordpress, published May 4, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.39%, the 94th percentile. Fixed in wordpress 4.2+dfsg-1.
References
lists.fedoraproject.org/pipermail/package-announce/2015-May/157391.html
wpvulndb.com/vulnerabilities/7929
wordpress.org/news/2015/04/wordpress-4-1-2
securityfocus.com/bid/74269
securitytracker.com/id/1032207
Show 9 moreShow less
debian.org/security/2015/dsa-3250
codex.wordpress.org/Version_4.1.2
cedricvb.be/post/wordpress-stored-xss-vulnerability-4-1-2
nvd.nist.gov/vuln/detail/CVE-2015-3438
github.com/advisories/GHSA-cv8p-7fxf-fmqr
security-tracker.debian.org/tracker/CVE-2015-3438
ubuntu.com/security/CVE-2015-3438
cve.org/CVERecord?id=CVE-2015-3438