Vulnerability · Published Nov 21, 2023 · Assigned by GitHub_M
CVE-2023-48301Nextcloud Server HTML injection in search UI when selecting a circle with HTML in the display name
Low 3.5
In plain English
A low-severity cross-site scripting in security-advisories from nextcloud. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Official description
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server, an attacker could insert links into circles name that would be opened when clicking the circle name in a search filter. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3 contain a fix for this issue. As a workaround, disable app circles.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nextcloud | security-advisories | >= 25.0.0, < 25.0.13>= 26.0.0, < 26.0.8>= 27.0.0, < 27.1.3 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wgpw-qqq2-gwv6 x_refsource_CONFIRM
- https://github.com/nextcloud/circles/pull/1415 x_refsource_MISC
- https://hackerone.com/reports/2210038 x_refsource_MISC