CVE-2026-76203

Published: Aug 19, 2026Modified: Sep 1, 2026Deferred

5.1

Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: 4daa8cea-433a-44bd-9456-53b127fc289a (Secondary)

Description

Incorrect Behavior Order: Validate Before Canonicalize in the report theme CSS sanitizer in maalfer Pentestify 1.2.0 through 2.3.2 allows an authenticated user to force outbound HTTP requests from other users' browsers, disclosing their IP address and User-Agent, via CSS hex escapes that reconstruct the url() function and evade the sanitizer blocklist

Related CWEs

CWE-180

Incorrect Behavior Order: Validate Before Canonicalize

The product validates input before it is canonicalized, which prevents the product from detecting data that becomes invalid after the canonicalization step.

References (2)

https://github.com/ccyl13/Pentestify/commit/1ed1aadadb02e959af470aac9958462048f7f5f5

Source: 4daa8cea-433a-44bd-9456-53b127fc289a

https://secur0.com/en/cna/cve-list/cve-2026-76203-css-sanitizer-bypass-pentestify-report-themes

Source: 4daa8cea-433a-44bd-9456-53b127fc289a

Timeline

No history available yet.