HedgeDoc is an open-source, web-based, self-hosted, collaborative markdown editor. Images uploaded with HedgeDoc version 1.9.1 and later have an enumerable filename after the upload, resulting in potential information leakage of uploaded documents. This is especially relevant for private notes and affects all upload backends, except Lutim and imgur. This issue is patched in version 1.9.3 by replacing the filename generation with UUIDv4. If you cannot upgrade to HedgeDoc 1.9.3, it is possible to block POST requests to `/uploadimage`, which will disable future uploads.
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History
Wed, 23 Apr 2025 19:15:00 +0000
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2022-04-11T20:20:26.000Z
Updated: 2025-04-23T18:40:49.053Z
Reserved: 2022-02-10T00:00:00.000Z
Link: CVE-2022-24837
Updated: 2024-08-03T04:20:50.602Z
Status : Modified
Published: 2022-04-11T21:15:08.703
Modified: 2024-11-21T06:51:12.447
Link: CVE-2022-24837
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