CVE-2021-27309 : Clansphere CMS 2011.4 allows unauthenticated reflected XSS via "module" paramete

Clansphere CMS 2011.4 allows unauthenticated reflected XSS via "module" parameter.

Published 2021-03-23 14:15:13

Updated 2021-03-24 18:49:26

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2021-27309

Csphere » Clansphere » Version: 2011.4
cpe:2.3:a:csphere:clansphere:2011.4:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.87%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 74 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

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

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

https://github.com/xoffense/POC/blob/main/Clansphere%202011.4%20%22module%22%20xss.md

POC/Clansphere 2011.4 "module" xss.md at main · xoffense/POC · GitHub
Exploit;Third Party Advisory

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