Description
The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<svg><a xlink:href=" attack.
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 8 | squirrelmail | 2:1.4.23~svn20120406-2+deb8u3 | DLA-1484-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | squirrelmail | 2:1.4.23~svn20120406-2+deb8u3ubuntu0.16.04.1 | — |
| Ubuntu 14.04 LTS | squirrelmail | 2:1.4.23~svn20120406-2+deb8u3build0.14.04.1 | — |
Advisories 1
- DLA-1484-1 squirrelmail - security update Debian Security (DSA / DLA) · Mar 9, 2026