CVE-2023-48301

Nextcloud Server HTML injection in search UI when selecting a circle with HTML in the display name

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

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. A partir de la versión 25.0.0 y antes de las versiones 25.0.13, 26.0.8 y 27.1.3 de Nextcloud Server y Nextcloud Enterprise Server, un atacante podría insertar enlaces en el nombre de los círculos que se abrirían al hacer clic en el nombre del círculo en un filtro de busqueda. Las versiones 25.0.13, 26.0.8 y 27.1.3 de Nextcloud Server y Nextcloud Enterprise Server contienen una solución para este problema. Como workaround, desactive los círculos de aplicaciones.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

Poc

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-11-14 CVE Reserved
2023-11-21 CVE Published
2024-10-11 CVE Updated
2024-10-11 First Exploit
2024-10-21 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://hackerone.com/reports/2210038	2024-10-11

URL	Date	SRC
https://github.com/nextcloud/circles/pull/1415	2023-11-30

URL	Date	SRC
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wgpw-qqq2-gwv6	2023-11-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 25.0.0 <= 25.0.13 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 25.0.0 <= 25.0.13"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 25.0.0 < 25.0.13 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 25.0.0 < 25.0.13"		enterprise		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 26.0.0 <= 26.0.8 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 26.0.0 <= 26.0.8"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 26.0.0 < 26.0.8 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 26.0.0 < 26.0.8"		enterprise		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 27.0.0 <= 27.1.3 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 27.0.0 <= 27.1.3"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 27.0.0 < 27.1.3 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 27.0.0 < 27.1.3"		enterprise		Affected