NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-1856
Summary

The Appointment Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom booking field labels in all versions up to, and including, 1.4.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Publication Date June 19, 2026, 3:17 p.m.
Registration Date June 27, 2026, 4:04 a.m.
Last Update June 23, 2026, 4:16 a.m.
CVSS3.1 : MEDIUM
スコア 6.4
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI) 不要
影響の想定範囲(S) 変更あり
機密性への影響(C)
完全性への影響(I)
可用性への影響(A) なし
Related information, measures and tools
Common Vulnerabilities List