Description
In WordPress before 4.7.3 (wp-includes/embed.php), there is authenticated Cross-Site Scripting (XSS) in YouTube URL Embeds.
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 | 4.7.3+dfsg-1 | — |
| Debian 13 | wordpress | 4.7.3+dfsg-1 | — |
| Debian 12 | wordpress | 4.7.3+dfsg-1 | — |
| Debian 8 | wordpress | 4.1+dfsg-1+deb8u13 | DSA-3815-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | wordpress | No fix yet | — |
Advisories 1
- DSA-3815-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/WordPress/WordPress/commit/419c8d97ce8df7d5004ee0b566bc5e095f0a6ca8
- 1037959 vdb-entry
- DSA-3815 vendor-advisory
- https://wpvulndb.com/vulnerabilities/8768
- 96601 vdb-entry
- https://wordpress.org/news/2017/03/wordpress-4-7-3-security-and-maintenance-release/
- https://codex.wordpress.org/Version_4.7.3