CVEvulnerability

CVE-2025-66554

5.4 MEDIUM Published 2025-12-05 Modified 2026-10-15 Official page ↗
Status
Analyzed
Published
2025-12-05
Last modified
2026-10-15
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.5 LOW — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79

Description

Contacts app for Nextcloud easily syncs contacts from various devices with your Nextcloud and allows editing. Prior to 5.5.4, 6.0.6, and 7.2.5, a malicious user was able to modify their organisation and title field to load additional CSS files. Javascript and other options were correctly blocked by the content security policy of the Nextcloud Server code. This vulnerability is fixed in 5.5.4, 6.0.6, and 7.2.5.

Affected configurations

• nextcloud contacts (>= 5.0.0 < 5.5.4) • nextcloud contacts (>= 6.0.0 < 6.0.6) • nextcloud contacts (>= 7.0.0 < 7.2.5)

Related

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References