CVE-2015-5734
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp...
CVE-2015-5734 is a medium vulnerability (CVSS 4.3) in Wordpress, published August 10, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.54%, the 93rd percentile. Fixed in wordpress 4.2.4+dfsg-1.
- Severity
- 4.3 MediumCVSS 2.0, NVD
- Exploit chance
- 6.54%EPSS, 93rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
4.2.4+dfsg-1wordpress +6 more
Description
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wordpressDebian:12 | before 4.2.4+dfsg-1 | 4.2.4+dfsg-1 |
wordpressDebian:13 | before 4.2.4+dfsg-1 | 4.2.4+dfsg-1 |
wordpressDebian:14 | before 4.2.4+dfsg-1 | 4.2.4+dfsg-1 |
wordpressDebian:6.0 From an advisory covering 5 CVEs | before 3.6.1+dfsg-1~deb6u7, 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 23 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~deb6u53.6.1+dfsg-1~deb6u6 | 3.6.1+dfsg-1~deb6u7 |
wordpressDebian:8 From an advisory covering 6 CVEs | before 4.1+dfsg-1+deb8u4, plus listed versions 4.1+dfsg-14.1+dfsg-1+deb8u14.1+dfsg-1+deb8u24.1+dfsg-1+deb8u3 | 4.1+dfsg-1+deb8u4 |
wordpressDebian:7 From an advisory covering 8 CVEs | before 3.6.1+dfsg-1~deb7u8, 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 15 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~deb7u6 | 3.6.1+dfsg-1~deb7u8 |
wordpressMageia:4 From an advisory covering 6 CVEs | before 3.9.8-1.mga4 | 3.9.8-1.mga4 |
What each source reports
NVD Score used
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.
- Record
CVE-2015-5734- 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 ListNo score
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.
- Record
CVE-2015-5734- Updated
- 2026-11-02
EUVDEUVD-2015-5680No score
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.
- Record
EUVD-2015-5680- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vfq5-r47g-jgp7No score
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp...
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.
- Record
GHSA-vfq5-r47g-jgp7- Weakness
- CWE-79
- Updated
- 2026-11-02
OSVNo score
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.
- Record
CVE-2015-5734- Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-5734No score
Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.
- Record
DEBIAN-CVE-2015-5734- Updated
- 2026-11-02
OSVMGASA-2015-0309No score
Updated wordpress package fixes security vulnerability
The wordpress package has been updated to version 3.9.8, fixing three cross-site scripting issues (CVE-2015-5732, CVE-2015-5733, CVE-2015-5734), a potential timing side-channel attack in Customizer (CVe-2015-5730), an issue in Heartbeat where an attacker could lock a post from being edited (CVE-2015-5731), and an SQL injection issue (CVE-2015-2213), as well as other bugs. See the upstream announcement and release notes for more details.
- Record
MGASA-2015-0309- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
wordpress.org/news/2015/08/wordpress-4-2-4-security-and-maintenance-release
openwall.com/lists/oss-security/2015/08/04/7
securitytracker.com/id/1033178
core.trac.wordpress.org/changeset/33549
debian.org/security/2015/dsa-3332
securityfocus.com/bid/76331
Show 10 moreShow less
wpvulndb.com/vulnerabilities/8133
codex.wordpress.org/Version_4.2.4
blog.sucuri.net/2015/08/persistent-xss-vulnerability-in-wordpress-explained.html
nvd.nist.gov/vuln/detail/CVE-2015-5734
github.com/advisories/GHSA-vfq5-r47g-jgp7
security-tracker.debian.org/tracker/CVE-2015-5734
advisories.mageia.org/MGASA-2015-0309.html
bugs.mageia.org/show_bug.cgi?id=16531