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CVE-2025-66554

🗓️ 09 Dec 2025 08:27:18Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 24 Views

Nextcloud Contacts app lets a user modify organisation and title to load extra style sheets; fixed in 5.5.4, 6.0.6, 7.2.5.

Related
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Nextcloud Contacts Data Compromise
19 Mar 202600:00
–bdu_fstec
circl
Circl
CVE-2025-66554
5 Dec 202519:33
–circl
cnnvd
CNNVD
NextCloud cross-site scripting vulnerability
5 Dec 202500:00
–cnnvd
cve
CVE
CVE-2025-66554
5 Dec 202517:50
–cve
cvelist
Cvelist
CVE-2025-66554 Nextcloud Contacts vulnerable to Stored XSS in contacts app via organisation and title field
5 Dec 202517:50
–cvelist
euvd
EUVD
EUVD-2025-201461
5 Dec 202517:50
–euvd
nextcloud
Nextcloud
Stored XSS in contacts app via organisation and title field
5 Dec 202507:54
–nextcloud
hackerone
Hacker One
Nextcloud: Stored XSS in contacts app via organisation and title field
10 Aug 202501:17
–hackerone
mend
Mend
CVE-2025-66554
5 Dec 202517:50
–mend
nvd
NVD
CVE-2025-66554
5 Dec 202518:15
–nvd
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09 Dec 2025 08:27Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.13.5 - 5.4
EPSS0.0025
SSVC
24