CVE-2019-25338
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Username Enumeration in DokuWiki Password Reset Function Allows Account Disclosure

Publication date: 2026-02-12

Last updated on: 2026-03-02

Assigner: VulnCheck

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.

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Meta Information

Published
2026-02-12
Last Modified
2026-03-02
Generated
2026-07-06
AI Q&A
2026-02-13
EPSS Evaluated
2026-07-05
NVD
CVE-2019-25338
EUVD
EUVD-2019-19579

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
dokuwiki dokuwiki 2018-04-22b

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-204 The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.

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Executive Summary

This vulnerability exists in DokuWiki 2018-04-22b and involves the password reset functionality. It allows attackers to perform username enumeration by submitting different usernames to the password reset endpoint. By analyzing the server's error response messages, attackers can determine which usernames correspond to valid user accounts.

Impact Analysis

The vulnerability can impact you by allowing attackers to identify valid usernames on your DokuWiki installation. This information can be used to facilitate further attacks, such as targeted phishing, brute force attacks, or social engineering, potentially compromising user accounts or system security.

Compliance Impact

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