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Vulnerability record · CVE-2017-18123 · published 3 February 2018

CVE-2017-18123: Dokuwiki improper input validation vulnerability

Dokuwiki · Dokuwiki

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.

8.6 CVSS 3.0 High EPSS 2.6% · top 15.3% CWE-20 · Improper input validation
8.6CVSS 3.0 base score, v2 9.3
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/splitbrain/dokuwiki/commit/238b8e878ad48f370903465192b57c2072f65d86 Patch
https://github.com/splitbrain/dokuwiki/issues/2029 ExploitIssue TrackingThird Party Advisory
https://github.com/splitbrain/dokuwiki/pull/2019 Issue Tracking
https://hackerone.com/reports/238316 Permissions Required
https://lists.debian.org/debian-lts-announce/2018/02/msg00004.html Issue TrackingMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00004.html
https://vulnhive.com/2018/000004 ExploitIssue TrackingPatchThird Party Advisory
https://github.com/splitbrain/dokuwiki/commit/238b8e878ad48f370903465192b57c2072f65d86 Patch
https://github.com/splitbrain/dokuwiki/issues/2029 ExploitIssue TrackingThird Party Advisory
https://github.com/splitbrain/dokuwiki/pull/2019 Issue Tracking
https://hackerone.com/reports/238316 Permissions Required
https://lists.debian.org/debian-lts-announce/2018/02/msg00004.html Issue TrackingMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00004.html
https://vulnhive.com/2018/000004 ExploitIssue TrackingPatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-18123), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.