TI-2026-04830 Aliases CVE-2026-5513 GHSA-pfrr-cpcq-w8m8

Cross-site scripting in ladela Online Scheduling and Appointment Booking System – Bookly

LOW 38CWE-79Published 2026-06-13 · Updated 2026-06-15

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
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 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Online Scheduling and Appointment Booking System – Bookly plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'bookly-customer-full-name' cookie in versions up to, and including, 27.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires 'Remember personal information in cookies' setting to be enabled (disabled by default).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00437 38th 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: Yes
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	Online Scheduling and Appointment Booking System – Bookly	up to 27.2	—	No fix listed	CNA

Online Scheduling and Appointment Booking System – Bookly Vendorladela Affected up to 27.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-5513
2026-10-03 Alias added: GHSA-pfrr-cpcq-w8m8

References

Other 2

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-2026-70141 PHP object injection in Bookly WordPress scheduling plugin CVSS 3.1HIGH 7.2
TI-2026-70266 Bookly WordPress plugin lets subscribers escalate privileges CVSS 3.1MEDIUM 6.8

See all 12 →

Sources

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