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CVE-2023-48301

Nextcloud Server HTML injection in search UI when selecting a circle with HTML in the display name

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 25.0.13, 26.0.8, 27.1.3
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server, an attacker could insert links into circles name that would be opened when clicking the circle name in a search filter. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3 contain a fix for this issue. As a workaround, disable app circles.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • nextcloud security-advisories

    From 25.0.0 · fixed in 25.0.13; From 26.0.0 · fixed in 26.0.8; From 27.0.0 · fixed in 27.1.3

References 3

GitHub · nextcloud/security-advisories

GitHub · nextcloud/circles

hackerone.com