Description
The call parameter of /lib/exe/ajax.php in DokuWiki through 2017-02-19e does not properly encode user input, which leads to a reflected file download vulnerability, and allows remote attackers to run arbitrary programs.
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 | dokuwiki | 0.0.20160626.a-2.1 | — |
| Debian 13 | dokuwiki | 0.0.20160626.a-2.1 | — |
| Debian 12 | dokuwiki | 0.0.20160626.a-2.1 | — |
| Debian 8 | dokuwiki | 0.0.20140505.a+dfsg-4+deb8u1 | DLA-1413-1 |
| Debian 7 | dokuwiki | 0.0.20120125b-2+deb7u2 | DLA-1269-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | dokuwiki | No fix yet | — |
| Ubuntu 16.04 LTS | dokuwiki | No fix yet | — |
Advisories 2
- DLA-1413-1 dokuwiki - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1269-1 dokuwiki - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/splitbrain/dokuwiki/pull/2019
- https://vulnhive.com/2018/000004
- [debian-lts-announce] 20180204 [SECURITY] [DLA 1269-1] dokuwiki security update mailing-list
- [debian-lts-announce] 20180705 [SECURITY] [DLA 1413-1] dokuwiki security update mailing-list
- https://github.com/splitbrain/dokuwiki/commit/238b8e878ad48f370903465192b57c2072f65d86
- https://hackerone.com/reports/238316
- https://github.com/splitbrain/dokuwiki/issues/2029