CVE-2025-66554Low· 3.5▾ SunlitContacts 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…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 19.3 · likelihood 0.1 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
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.
contacts >= 5.0.0, < 5.5.4contacts >= 6.0.0, < 6.0.6contacts >= 7.0.0, < 7.2.5Upgrade past the affected range:
contacts 7.2.5Connected by shared product, vendor, weakness, or advisory.
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