Is CVE-2026-40038 actively exploited?

No active exploitation of CVE-2026-40038 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-40038 be exploited remotely?

Yes. CVE-2026-40038 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-40038?

CVE-2026-40038 has a CVSS score of 7.2 (HIGH).

HOME VULNERABILITIESCVE-2026-40038

HIGH

CVE-2026-40038

CWE-79Published: April 13, 2026· Updated: Apr 17, 2026

7.2

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.1th

Official Description

Pachno 1.0.6 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary HTML and script code by injecting malicious payloads into POST parameters. Attackers can inject scripts through the value, comment_body, article_content, description, and message parameters across multiple controllers, which are stored in the database and executed in users' browser sessions due to improper sanitization via Request::getRawParameter() or Request::getParameter() calls.

NVD Source

Technical Analysis

CVE-2026-40038 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.