Description
Cross-site scripting (XSS) vulnerability in the wptexturize function in WordPress before 3.7.5, 3.8.x before 3.8.5, and 3.9.x before 3.9.3 allows remote attackers to inject arbitrary web script or HTML via crafted use of shortcode brackets in a text field, as demonstrated by a comment or a post.
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 | 4.0.1+dfsg-1 | — |
| Debian 13 | wordpress | 4.0.1+dfsg-1 | — |
| Debian 12 | wordpress | 4.0.1+dfsg-1 | — |
| Debian 7 | wordpress | 3.6.1+dfsg-1~deb7u5 | DSA-3085-1 |
| Debian 6.0 | wordpress | 3.6.1+dfsg-1~deb6u6 | DLA-236-1 |
Advisories 2
- DLA-236-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3085-1 wordpress - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- 20141120 WordPress 3 persistent script injection mailing-list
- DSA-3085 vendor-advisory
- [oss-security] 20141125 Re: WordPress 4.0.1 Security Release mailing-list
- http://advisories.mageia.org/MGASA-2014-0493.html
- http://klikki.fi/adv/wordpress.html
- 1031243 vdb-entry
- 71237 vdb-entry
- MDVSA-2014:233 vendor-advisory
- https://wordpress.org/news/2014/11/wordpress-4-0-1/