PT-2020-12126 · Chadha · Chadha Phpkb Standard Multi-Language

Published 2020-03-12 · Updated 2022-10-06 · CVE-2020-10456

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 Chadha PHPKB Standard Multi-Language version 9

Description The issue concerns the handling of URIs in admin/header.php, which allows for Reflected XSS attacks. This can be exploited by injecting arbitrary web script or HTML in admin/trash-box.php by adding a question mark (?) followed by the payload.

Recommendations For Chadha PHPKB Standard Multi-Language version 9, consider restricting access to the admin/trash-box.php endpoint until a proper fix is applied, and ensure proper validation and sanitization of user-inputted URIs in admin/header.php to prevent Reflected XSS attacks.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-10456

Affected Products

Chadha Phpkb Standard Multi-Language

References · 4

• 🔥 http://antoniocannito.it/?p=137#uxss · Exploit
• 🔥 https://antoniocannito.it/phpkb1#reflected-cross-site-scripting-in-every-admin-page-cve-block-going-from-cve-2020-10391-to-cve-2020-10456 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-10456 · Security Note
• https://osv.dev/vulnerability/CVE-2020-10456 · Vendor Advisory