Description
Cross-site scripting (XSS) vulnerability in WordPress before 4.3.1 allows remote attackers to inject arbitrary web script or HTML by leveraging the mishandling of unclosed HTML elements during processing of shortcode tags.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wordpress | 4.3.1+dfsg-1 | — |
| Debian 13 | wordpress | 4.3.1+dfsg-1 | — |
| Debian 12 | wordpress | 4.3.1+dfsg-1 | — |
| Debian 8 | wordpress | 4.1+dfsg-1+deb8u5 | DSA-3375-1 |
| Debian 7 | wordpress | 3.6.1+dfsg-1~deb7u8 | DSA-3383-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | wordpress | 3.6.1+dfsg-1~deb6u8 | DLA-321-1 |
Advisories 3
- DLA-321-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3375-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3383-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://wpvulndb.com/vulnerabilities/8186
- https://codex.wordpress.org/Version_4.3.1
- DSA-3375 vendor-advisory
- https://github.com/WordPress/WordPress/commit/f72b21af23da6b6d54208e5c1d65ececdaa109c8
- https://wordpress.org/news/2015/09/wordpress-4-3-1/
- 1033979 vdb-entry
- DSA-3383 vendor-advisory
- https://security-tracker.debian.org/tracker/CVE-2015-5714
- 76745 vdb-entry