CVSS: 5.4EPSS: 0%CPEs: 6EXPL: 1CVE-2023-48301 – Nextcloud Server HTML injection in search UI when selecting a circle with HTML in the display name
https://notcve.org/view.php?id=CVE-2023-48301
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. Nextcloud Server proporciona almacenamiento de datos para Nextcloud, una plataforma en la nube de código abierto. • https://github.com/nextcloud/circles/pull/1415 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wgpw-qqq2-gwv6 https://hackerone.com/reports/2210038 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •
CVSS: 8.5EPSS: 0%CPEs: 11EXPL: 1CVE-2023-48239 – Nextcloud Server users can make external storage mount points inaccessible for other users
https://notcve.org/view.php?id=CVE-2023-48239
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 starting in version 20.0.0 and prior to versions 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0.12.12, 24.0.12.8, 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Enterprise Server, a malicious user could update any personal or global external storage, making them inaccessible for everyone else as well. Nextcloud Server 25.0.13, 26.0.8, and 27.1.3 and Nextcloud Enterprise Server is upgraded to 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0.12.12, 24.0.12.8, 25.0.13, 26.0.8, and 27.1.3 contain a patch for this issue. As a workaround, disable app files_external. This workaround also makes the external storage inaccessible but retains the configurations until a patched version has been deployed. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-f962-hw26-g267 https://github.com/nextcloud/server/pull/41123 https://hackerone.com/reports/2212627 • CWE-284: Improper Access Control •
CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 1CVE-2023-45150 – Inviting excessive long email addresses to a calendar event makes the Nextcloud server unresponsive
https://notcve.org/view.php?id=CVE-2023-45150
Nextcloud calendar is a calendar app for the Nextcloud server platform. Due to missing precondition checks the server was trying to validate strings of any length as email addresses even when megabytes of data were provided, eventually making the server busy and unresponsive. It is recommended that the Nextcloud Calendar app is upgraded to 4.4.4. The only workaround for users unable to upgrade is to disable the calendar app. Nextcloud calendar es una aplicación de calendario para la plataforma del servidor Nextcloud. • https://github.com/nextcloud/calendar/pull/5358 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-r936-8gwm-w452 https://hackerone.com/reports/2058337 • CWE-354: Improper Validation of Integrity Check Value CWE-400: Uncontrolled Resource Consumption •
CVSS: 4.3EPSS: 0%CPEs: 3EXPL: 0CVE-2023-45149 – Password of talk conversations can be bruteforced in Nextcloud
https://notcve.org/view.php?id=CVE-2023-45149
Nextcloud talk is a chat module for the Nextcloud server platform. In affected versions brute force protection of public talk conversation passwords can be bypassed, as there was an endpoint validating the conversation password without registering bruteforce attempts. It is recommended that the Nextcloud Talk app is upgraded to 15.0.8, 16.0.6 or 17.1.1. There are no known workarounds for this vulnerability. Nextcloud talk es un módulo de chat para la plataforma del servidor Nextcloud. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-7rf8-pqmj-rpqv https://github.com/nextcloud/spreed/pull/10545 https://hackerone.com/reports/2094473 • CWE-307: Improper Restriction of Excessive Authentication Attempts •
CVSS: 4.3EPSS: 0%CPEs: 9EXPL: 0CVE-2023-45148 – Rate limiter not working reliable when Memcached is installed in Nextcloud
https://notcve.org/view.php?id=CVE-2023-45148
Nextcloud is an open source home cloud server. When Memcached is used as `memcache.distributed` the rate limiting in Nextcloud Server could be reset unexpectedly resetting the rate count earlier than intended. Users are advised to upgrade to versions 25.0.11, 26.0.6 or 27.1.0. Users unable to upgrade should change their config setting `memcache.distributed` to `\OC\Memcache\Redis` and install Redis instead of Memcached. Nextcloud es un servidor en la nube doméstico de código abierto. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xmhp-7vr4-hp63 https://github.com/nextcloud/server/pull/40293 https://hackerone.com/reports/2110945 • CWE-307: Improper Restriction of Excessive Authentication Attempts •