Vulnerability · Published Aug 19, 2026 · Assigned by Secur0

CVE-2026-76203CSS sanitizer bypass in Pentestify report themes allows forced outbound requests

Medium 5.1

In plain English

A medium-severity security flaw in Pentestify from maalfer. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.4%top 65.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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

Affected products (as reported)

VendorProductVersions
maalfer Pentestify 1.2.0 – before 1ed1aad

Weakness: CWE-180 · 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

References