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Nextcloud: Stored XSS in contacts app via organisation and title field

🗓️ 10 Aug 2025 01:17:59Reported by updatelapType 
hackerone
 hackerone
🔗 hackerone.com👁 31 Views

Stored cross site scripting in Nextcloud contacts app via organization or title fields.

Related
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
mend
Mend
CVE-2025-66554
5 Dec 202517:50
–mend
nvd
NVD
CVE-2025-66554
5 Dec 202518:15
–nvd
ptsecurity
Positive Technologies
PT-2025-49300
5 Dec 202500:00
–ptsecurity
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04 Jan 2026 07:54Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.5 - 5.4
EPSS0.0025
SSVC
31