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  4. CVE 2026 81798 wordpress easy appointments plugin 4021 cross
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Back to active CVEs
High · CVSS 7.1CVE-2026-81798

WordPress Easy Appointments plugin <= 4.0.2.1 - Cross Site Scripting (XSS) vulnerabilityCVE-2026-81798

Answer in brief

CVE-2026-81798 records a High severity (CVSS 7.1) vulnerability in WordPress Easy Appointments plugin <= 4.0.2.1 - Cross Site Scripting (XSS) vulnerability. The current sources do not mark it as known exploited. The current feed maps Easy Appointments/easy-appointments (generic), Easy Appointments/Easy Appointments (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 8, 2026Updated Sep 8, 2026Source checked Oct 23, 2026First seen by HOL Sep 8, 2026Material review Sep 8, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Easy Appointments/easy-appointments (generic), Easy Appointments/Easy Appointments (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Easy Appointments/easy-appointmentsgeneric>=n/a <=4.0.2.1Not reported
Easy Appointments/Easy Appointmentsgenericn/aNot reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Easy Appointments/easy-appointments, Easy Appointments/Easy Appointments.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 8, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 8, 2026

Sources and claim methodology

  • Source referencepatchstack.com
Upstream source description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Easy Appointments allows DOM-Based XSS. This issue affects Easy Appointments: from n/a through 4.0.2.1.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Reflected Cross-Site Scripting (XSS) in CGM CLININETAlso CWE-79
  • Anti-Spam by CleanTalk <= 6.89.1 - Unauthenticated Stored Cross-Site Scripting via 'user_email' Registration ParameterAlso CWE-79
  • Otter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style AttributesAlso CWE-79
  • Otter Blocks < 3.2.8 - Unauthenticated Stored XSS via Dynamic Content Render FilterAlso CWE-79
  • Speed Optimizer < 7.8.5 - Admin+ Stored XSS via DNS Prefetch and Font Preload URL ListsAlso CWE-79
  • Profile Builder < 4.0.5 - Contributor+ Stored XSS via redirect_url Shortcode AttributeAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 23, 2026
References
1 linked source
Open source record