PT-2021-16338 · WordPress · Shared Files

Mika · Published 2021-11-17 · Updated 2021-11-18 · CVE-2021-24856

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Shared Files WordPress plugin versions prior to 1.6.61

Description: The issue concerns the Shared Files WordPress plugin, where the Download Counter Text settings are not properly sanitized and escaped. This could allow high-privilege users to perform Cross-Site Scripting attacks, even when the unfiltered html capability is disallowed.

Recommendations: For versions prior to 1.6.61, update to version 1.6.61 or later to resolve the issue. As a temporary workaround, consider restricting access to the Download Counter Text settings to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24856

Affected Products

Shared Files

References · 5

• 🔥 https://mikadmin.fr/tech/XSS-Stored-Shared-Files-a837703ad010d111be11ffdf478aa6114F0lK656bV.pdf · Exploit
• 🔥 https://wpscan.com/vulnerability/8fd483fb-d399-4b4f-b4ef-bbfad1b5cf1b · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24856 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24856 · Vendor Advisory
• https://t.me/cibsecurity/32449 · Telegram Post