Description
The mw_editPost function in wp-includes/class-wp-xmlrpc-server.php in the XMLRPC subsystem in WordPress before 4.3.1 allows remote authenticated users to bypass intended access restrictions, and arrange for a private post to be published and sticky, via unspecified vectors.
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
- 76748 vdb-entry
- https://security-tracker.debian.org/tracker/CVE-2015-5715
- https://codex.wordpress.org/Version_4.3.1
- DSA-3375 vendor-advisory
- https://wordpress.org/news/2015/09/wordpress-4-3-1/
- https://github.com/WordPress/WordPress/commit/9c57f3a4291f2311ae05f22c10eedeb0f69337ab
- https://wpvulndb.com/vulnerabilities/8188
- 1033979 vdb-entry
- DSA-3383 vendor-advisory