Abusing the federated share endpoint, an attacker can write arbitrary rows into the oc_share_external database table. These rows persist indefinitely — there is no automatic cleanup mechanism. Three distinct denial-of-service conditions follow from this write…
5.4Orta
CVE-2025-66512Nextcloud Server vulnerable to XSS in SVG images when opened outside of Nextcloud
Açıklama
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.
Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.
Etkilenen ürünler ve sürümler
| Üretici | Ürün | Sürümler | |
|---|---|---|---|
| nextcloud | nextcloud server | 31.0.0 – < 31.0.12 | |
| nextcloud | security-advisories | >= 32.0.0beta1, < 32.0.3, < 31.0.12 |
Kaynaklar ve yamalar
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qcw2-p26m-9gc5 PatchVendor Advisory
- https://github.com/nextcloud/viewer/pull/3023 Issue Tracking
- https://github.com/nextcloud/viewer/commit/5044a27d61bc40c0f134298d36af91f865335b63 Patch
- https://hackerone.com/reports/3357808 Issue TrackingVendor Advisory
CPE eşleşmeleri (NVD) (4)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 31.0.0 < 31.0.12cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 31.0.0 < 31.0.12cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 32.0.0 < 32.0.3cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 32.0.0 < 32.0.3