Description
Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.2 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-3440.
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 | 4.2.2+dfsg-1 | — |
| Debian 13 | wordpress | 4.2.2+dfsg-1 | — |
| Debian 12 | wordpress | 4.2.2+dfsg-1 | — |
| Debian 8 | wordpress | 4.1+dfsg-1+deb8u9 | DSA-3639-1 |
| Debian 7 | wordpress | 3.6.1+dfsg-1~deb7u12 | DLA-633-1 |
Advisories 2
- DLA-633-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3639-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026