Description
Cross-site scripting (XSS) vulnerability in the Security component of Kohana before 3.3.6 allows remote attackers to inject arbitrary web script or HTML by bypassing the strip_image_tags protection mechanism in system/classes/Kohana/Security.php.
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 7 | libkohana2-php | 2.3.4-2+deb7u1 | DLA-1241-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | libkohana2-php | 2.3.4-2+deb7u1build0.14.04.1 | — |
Advisories 1
- DLA-1241-1 libkohana2-php - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- [debian-lts-announce] 20180114 [SECURITY] [DLA 1241-1] libkohana2-php security update mailing-list
- https://github.com/kohana/kohana/releases/tag/v3.3.6
- https://github.com/kohana/kohana/issues/107
- https://www.checkmarx.com/advisories/cross-site-scripting-xss-vulnerability-in-kohana/
- https://advisory.checkmarx.net/advisory/CX-2016-4451