Description
DokuWiki 2018-04-22b contains a username enumeration vulnerability in its password reset functionality that allows attackers to identify valid user accounts. Attackers can submit different usernames to the password reset endpoint and distinguish between existing and non-existing accounts by analyzing the server's error response messages.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Dokuwiki | Dokuwiki | 2018-04-22b "Greebo" | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | dokuwiki | No fix yet | — |
| Ubuntu 26.04 LTS | dokuwiki | No fix yet | — |
| Ubuntu 25.10 | dokuwiki | No fix yet | — |
| Ubuntu 24.04 LTS | dokuwiki | No fix yet | — |
| Ubuntu 22.04 LTS | dokuwiki | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | dokuwiki | No fix yet | — |
| Ubuntu 18.04 LTS | dokuwiki | No fix yet | — |
| Ubuntu 16.04 LTS | dokuwiki | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | dokuwiki | <= 2018-04-22b | — | PYSEC-2026-57 |
References
- ExploitDB-47731 exploit
- DokuWiki Official Homepage product
- DokuWiki Download Page product
- VulnCheck Advisory: Dokuwiki 2018-04-22b - Username Enumeration third-party-advisory