What is CVE-2026-103303?

CVE-2026-103303 is a high-severity vulnerability in Turisbook Booking System, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-11-08.

How severe is CVE-2026-103303?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Turisbook Booking System

CVE-2026-103303

The Turisbook Booking System WordPress plugin through 1.3.8 does not have authorisation and CSRF checks when saving its settings, and does not sanitise and escape one of them before outputting it in an admin page, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-11-08 · last modified 2026-11-08.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Turisbook Booking System

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/10693b34-ab03-4c24-bd9d-5a2efbfdbeb2/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-103303?: CVE-2026-103303 is a high-severity vulnerability in Turisbook Booking System, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-11-08.
How severe is CVE-2026-103303?: High severity. CVSS v3 base score is 8.8 out of 10.