Discourse Username Change via activate-account Link (CVE202522601)
CVE-2025-22601 Published on February 4, 2025
Client Side Path Traversal using activate account route in Discourse
Discourse is an open source platform for community discussion. In affected versions an attacker can trick a target user to make changes to their own username via carefully crafted link using the `activate-account` route. This problem has been patched in the latest version of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Vulnerability Analysis
CVE-2025-22601 can be exploited with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2025-22601 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2025-22601
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Affected Versions
discourse:- Version beta: <= 3.4.0.beta3 is affected.
- Version tests-passed: <= 3.4.0.beta3 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.