CVE-2021-27933 : pfSense 2.5.0 allows XSS via the services_wol

pfSense 2.5.0 allows XSS via the services_wol_edit.php Description field.

Published 2021-04-28 07:15:07

Updated 2021-05-01 00:50:43

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Exploit prediction scoring system (EPSS) score for CVE-2021-27933

Probability of exploitation activity in the next 30 days: 35.69%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 97 % EPSS Score History EPSS FAQ

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)

http://seclists.org/fulldisclosure/2021/Apr/61

Full Disclosure: XSS stored in PFSense 2.5.0 CVE-2021-27933
Exploit;Mailing List;Third Party Advisory

Pfsense » Pfsense » Version: 2.5.0
cpe:2.3:a:pfsense:pfsense:2.5.0:*:*:*:*:*:*:*
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