Advanced Appointment Booking & Scheduling < 2.7 - Unauthenticated Arbitrary User Registration
CVSS score
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EPSS probability
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Risk score
—
Published
1 d ago
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Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
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Evidence confidence
%55
Short explanation
Versions of the Advanced Appointment Booking & Scheduling WordPress plugin prior to 2.7 allow unauthenticated attackers to create arbitrary user accounts and be automatically logged in via a publicly accessible shortcode, even when site registration is disabled. This enables attackers to gain unauthorized access to the site.
Attackers can obtain unauthorized access and potentially perform malicious actions despite registration being disabled.
What should be done?
- Disable or remove the shortcode
- Review user‑registration settings
- Await vendor‑provided update
- Monitor with security plugins
Chain of evidence and sources
Eklenti, kullanıcı kaydı ayarı kapalı olsa bile herkese açık kısa kod üzerinden kimlik doğrulaması yapılmadan kullanıcı hesabı oluşturulmasına izin verir.
Etkilenen sürümler 2.7’den önceki tüm sürümlerdir.
Resmi yama durumu doğrulanamamıştır; durum UNKNOWN olarak raporlanmıştır.
Show the technical text from the sources
The Advanced Appointment Booking & Scheduling WordPress plugin before 2.7 does not verify the site's user-registration setting before creating accounts through a publicly accessible shortcode, allowing unauthenticated attackers to register arbitrary user accounts, and be automatically logged in, even when user registration is disabled on the site.
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-81422 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Unknown | Advanced Appointment Booking & Scheduling | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-81422 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-81422 weaknesses.
Official Sources and Advisories
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