Advisories

EdgeEver 1.9.0 before 2.13.0 Stored XSS via Backup Restore and Public Shares

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Severity
medium
Date
Affecting
  • EdgeEver >= 1.9.0, < 2.13.0

CWE
  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS
5.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Credit
Wu Yulun
Description
EdgeEver 1.9.0 before 2.13.0 contains a stored cross-site scripting vulnerability in the backup restore endpoint PUT /api/v1/restores/json/resources/:id, which accepts a resource kind of image paired with a text/html MIME type without checking consistency. Authenticated members can share the note and send the public blob link to a victim, whose browser executes the script to mint a non-expiring API token granting read and write access to the victim's notes.

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