TI-2025-21815 Aliases CVE-2025-30540 GHSA-m97q-2pg2-grg9

WordPress AvaiBook plugin <= 1.2 - Cross Site Scripting (XSS) vulnerability

LOW 27CWE-79Published 2025-03-24 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: High
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

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

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in avaibook AvaiBook avaibook allows Stored XSS.This issue affects AvaiBook: from n/a through <= 1.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00376 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
avaibook	AvaiBook	up to 1.2	—	No fix listed	CNA

AvaiBook Vendoravaibook Affected up to 1.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-30540
2026-10-03 Alias added: GHSA-m97q-2pg2-grg9

References

Other 1

https://patchstack.com/database/Wordpress/Plugin/avaibook/vulnerability/wordpress-avaibook-plugin-1-2-cross-site-scripting-xss-vulnerability?_s_id=cve

Sources

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