CVE-2021-35976

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The feature to preview a website in Plesk Obsidian 18.0.0 through 18.0.32 on Linux is vulnerable to reflected XSS via the /plesk-site-preview/ PATH, aka PFSI-62467. The attacker could execute JavaScript code in the victim's browser by using the link to preview sites hosted on the server. Authentication is not required to exploit the vulnerability.

La funcionalidad para previsualizar un sitio web en Plesk Obsidian 18.0.0 a 18.0.32 en Linux es vulnerable a XSS reflejado a través de /plesk-site-preview/ PATH, también conocido como PFSI-62467. El atacante podría ejecutar código JavaScript en el navegador de la víctima utilizando el enlace para previsualizar sitios alojados en el servidor. No se requiere autenticación para explotar la vulnerabilidad

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-30 CVE Reserved
2021-09-10 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2025-03-30 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
https://www.bouali.io/cves/cve-2021-35976	Broken Link

URL	Date	SRC
https://tarekbouali.com/cves/cve-2021-35976	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://support.plesk.com/hc/en-us/articles/4402990507026	2021-11-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Plesk Search vendor "Plesk"		Obsidian Search vendor "Plesk" for product "Obsidian"				>= 18.0.0 <= 18.0.32 Search vendor "Plesk" for product "Obsidian" and version " >= 18.0.0 <= 18.0.32"		-		Affected