Vulnerability Details : CVE-2021-24856

The Shared Files WordPress plugin before 1.6.61 does not sanitise and escape the Download Counter Text settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Vulnerability category: Cross site scripting (XSS)

Published 2021-11-17 11:15:09

Updated 2021-11-18 17:50:41

Source WPScan

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-24856

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 20 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-24856

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	[email protected]
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.8	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	1.7	2.7	[email protected]
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2021-24856

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: [email protected] (Primary)

References for CVE-2021-24856

https://wpscan.com/vulnerability/8fd483fb-d399-4b4f-b4ef-bbfad1b5cf1b

Exploit;Third Party Advisory
https://mikadmin.fr/tech/XSS-Stored-Shared-Files-a837703ad010d111be11ffdf478aa6114F0lK656bV.pdf

Exploit;Third Party Advisory

Products affected by CVE-2021-24856

Tammersoft » Shared Files » For Wordpress
Versions before (<) 1.6.61
cpe:2.3:a:tammersoft:shared_files:*:*:*:*:*:wordpress:*:*
Matching versions