Description
WordPress before 5.2.4 does not properly consider type confusion during validation of the referer in the admin pages, possibly leading to CSRF.
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 | 5.2.4+dfsg1-1 | — |
| Debian 13 | wordpress | 5.2.4+dfsg1-1 | — |
| Debian 12 | wordpress | 5.2.4+dfsg1-1 | — |
| Debian 10 | wordpress | 5.0.4+dfsg1-1+deb10u1 | DSA-4599-1 |
| Debian 8 | wordpress | 4.1.28+dfsg-0+deb8u1 | DLA-1980-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | wordpress | No fix yet | — |
| Ubuntu 16.04 LTS | wordpress | No fix yet | — |
Advisories 2
- DSA-4599-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1980-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://wpvulndb.com/vulnerabilities/9913
- https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html
- https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/
- https://core.trac.wordpress.org/changeset/46477
- https://github.com/WordPress/WordPress/commit/b183fd1cca0b44a92f0264823dd9f22d2fd8b8d0
- [debian-lts-announce] 20191105 [SECURITY] [DLA 1980-1] wordpress security update mailing-list
- 20200108 [SECURITY] [DSA 4599-1] wordpress security update mailing-list
- DSA-4599 vendor-advisory
- DSA-4677 vendor-advisory