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CVE-2026-14334

HIGHCVSS 8.8/10EPSS 0.36%

Last modified

CVE-2026-14334 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Booking calendar, Appointment Booking System WordPress plugin through 3.2.36 does not properly sanitize uploaded SVG files, allowing unauthenticated attackers to upload a file that bypasses the Booking calendar, Appointment Booking System WordPress plugin through 3.2.36's script-stripping and executes arbitrary JavaScript when the SVG is opened, including in the session of an administrator who reviews the submitted booking.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

The Booking calendar, Appointment Booking System WordPress plugin through 3.2.36 does not properly sanitize uploaded SVG files, allowing unauthenticated attackers to upload a file that bypasses the Booking calendar, Appointment Booking System WordPress plugin through 3.2.36's script-stripping and executes arbitrary JavaScript when the SVG is opened, including in the session of an administrator who reviews the submitted booking.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
0.36%

28.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownBooking calendar, Appointment Booking System>= 3.2.18, <= 3.2.36

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-14334?
The Booking calendar, Appointment Booking System WordPress plugin through 3.2.36 does not properly sanitize uploaded SVG files, allowing unauthenticated attackers to upload a file that bypasses the Booking calendar, Appointment Booking System WordPress plugin through 3.2.36's script-stripping and executes arbitrary JavaScript when the SVG is opened, including in the session of an administrator who reviews the submitted booking.
How severe is CVE-2026-14334?
CVE-2026-14334 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2026-14334?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST