Is CVE-2026-27390 actively exploited?

No active exploitation of CVE-2026-27390 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-27390 be exploited remotely?

Yes. CVE-2026-27390 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-27390?

CVE-2026-27390 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-27390

HIGH

CVE-2026-27390

CWE-288Published: March 5, 2026· Updated: Mar 9, 2026

8.8

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:6.1th

Official Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in designthemes WeDesignTech Ultimate Booking Addon wedesigntech-ultimate-booking-addon allows Authentication Abuse.This issue affects WeDesignTech Ultimate Booking Addon: from n/a through <= 1.0.1.

NVD Source

Technical Analysis

CVE-2026-27390 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.