- Description
- Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Server Enterprise prior to 31.0.12 and 32.0.3, a missing sanitization allowed malicious users to circumvent the content security policy when a malicious user manages to trick a user it viewing an uploaded SVG outside of the Nextcloud Servers web page.
- Source
- security-advisories@github.com
- NVD status
- Analyzed
- Products
- nextcloud_server
CVSS 3.1
- Type
- Primary
- Base score
- 6.1
- Impact score
- 2.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
- Hype score
- Not currently trending
CRITICAL: #Fedora 43 Nextcloud update 32.0.3 patches XSS flaw (CVE-2025-66512) in SVG images. Read more: 👉 https://t.co/AIoEz8VYGM #Security https://t.co/nTJQk454DR
@Cezar_H_Linux
21 Dec 2025
61 Impressions
0 Retweets
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CVE-2025-66512 Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Server Enterprise prior to 31.0.12 and 32.0.3, a missing sanitization allowed malicio… https://t.co/v9dfmA6Zui
@CVEnew
5 Dec 2025
50 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
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