TI-2023-01097 Aliases CVE-2023-1159 GHSA-8q83-6h2v-r7fm

Cross-site scripting in ladela WordPress Online Booking and Scheduling Plugin – Bookly

LOW 22CWE-79Published 2023-06-02 · Updated 2024-12-20

Key facts

Attack vector: Network
Privileges required: High
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The Bookly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via service titles in versions up to, and including, 21.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrative privileges to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00373 31st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ladela	WordPress Online Booking and Scheduling Plugin – Bookly	21.7	—	No fix listed	CNA

WordPress Online Booking and Scheduling Plugin – Bookly Vendorladela Affected 21.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:booking-wp-plugin:bookly::::::wordpress::*	up to 21.7	Vulnerable	Booking-wp-plugin

cpe:2.3:a:booking-wp-plugin:bookly:*:*:*:*:*:wordpress:*:* Versions up to 21.7 Vulnerable ·Booking-wp-plugin

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-1159
2026-10-03 Alias added: GHSA-8q83-6h2v-r7fm

References

Patch 1

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2913570%40bookly-responsive-appointment-booking-tool&new=2913570%40bookly-responsive-appointment-booking-tool&sfp_email=&sfph_mail=

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/d4cdf774-c93b-4b94-85ba-aa56bf401873?source=cve

TI-2026-62969 Authorization bypass in ladela Online Scheduling and Appointment Booking System – Bookly CVSS 3.1CRITICAL 9.1
TI-2026-60359 Authorization bypass in ladela Online Scheduling and Appointment Booking System – Bookly CVSS 3.1HIGH 7.5
TI-2026-12256 Online Scheduling and Appointment Booking System <= 27.5 - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
TI-2026-11363 Cross-site scripting in ladela Online Scheduling and Appointment Booking System – Bookly CVSS 3.1HIGH 7.2
TI-2026-04830 Cross-site scripting in ladela Online Scheduling and Appointment Booking System – Bookly CVSS 3.1HIGH 7.2
TI-2026-70141 PHP object injection in Bookly WordPress scheduling plugin CVSS 3.1HIGH 7.2

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences