CVE-2016-1564
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in...
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
- Record
CVE-2016-1564- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - 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 wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
- Record
CVE-2016-1564- Updated
- 2026-11-02
EUVDEUVD-2016-2659 No score
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
- Record
EUVD-2016-2659- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9575-g3v2-v59w
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in...
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
- Record
GHSA-9575-g3v2-v59w- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
- Record
CVE-2016-1564- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-08
OSVDEBIAN-CVE-2016-1564
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
- Record
DEBIAN-CVE-2016-1564- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-1564
Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.
- Record
UBUNTU-CVE-2016-1564- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wordpressDebian:12 |
before 4.4.1+dfsg-1 | 4.4.1+dfsg-1 |
wordpressDebian:13 |
before 4.4.1+dfsg-1 | 4.4.1+dfsg-1 |
wordpressDebian:14 |
before 4.4.1+dfsg-1 | 4.4.1+dfsg-1 |
wordpressDebian:7 |
before 3.6.1+dfsg-1~deb7u9, 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 16 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~deb7u53.6.1+dfsg-1~deb7u63.6.1+dfsg-1~deb7u8 |
3.6.1+dfsg-1~deb7u9 |
wordpressDebian:8 |
before 4.1+dfsg-1+deb8u7, plus listed versions 4.1+dfsg-14.1+dfsg-1+deb8u14.1+dfsg-1+deb8u24.1+dfsg-1+deb8u34.1+dfsg-1+deb8u44.1+dfsg-1+deb8u54.1+dfsg-1+deb8u6 |
4.1+dfsg-1+deb8u7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| 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-2016-1564 is a medium vulnerability (CVSS 6.1) in Wordpress, published January 13, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.93%, the 87th percentile. Fixed in wordpress 4.4.1+dfsg-1.
References
securitytracker.com/id/1034622
codex.wordpress.org/Version_4.4.1
debian.org/security/2016/dsa-3444
openwall.com/lists/oss-security/2016/01/08/4
twitter.com/brutelogic/statuses/685105483397619713
wpvulndb.com/vulnerabilities/8358
Show 9 moreShow less
wordpress.org/news/2016/01/wordpress-4-4-1-security-and-maintenance-release
core.trac.wordpress.org/changeset/36185
nvd.nist.gov/vuln/detail/CVE-2016-1564
github.com/advisories/GHSA-9575-g3v2-v59w
security-tracker.debian.org/tracker/CVE-2016-1564
ubuntu.com/security/CVE-2016-1564
cve.org/CVERecord?id=CVE-2016-1564