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  4. CVE 2026 110813 advanced custom fields acf 6811 unauthenticated
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-110813

Advanced Custom Fields (ACF®) < 6.8.11 - Unauthenticated Stored XSS via HTML Attribute Name InjectionCVE-2026-110813

Answer in brief

CVE-2026-110813 records a Unknown severity vulnerability in Advanced Custom Fields (ACF®) < 6.8.11 - Unauthenticated Stored XSS via HTML Attribute Name Injection. The current sources do not mark it as known exploited. The current feed maps Unknown/Advanced Custom Fields (ACF®) (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 Nov 6, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. 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 Unknown/Advanced Custom Fields (ACF®) (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/Advanced Custom Fields (ACF®)generic>=0 <6.8.116.8.11

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/Advanced Custom Fields (ACF®).
  2. 2Review the reported fix. Update Unknown/Advanced Custom Fields (ACF®) to 6.8.11 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 6, 2026

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

  2. Source modified

    Nov 6, 2026

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

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source description

The Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not properly sanitize a stored field definition that can be modified through its comment handling, allowing unauthenticated users to inject a payload that is emitted as an HTML attribute name and executed as JavaScript in the browser of any visitor or administrator who views a page rendering the affected field.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • MCB Stats <= 1.0.0 - Unauthenticated Stored XSS via User-AgentAlso CWE-79
  • GutenKit 2.5.0 - 2.5.4 - Author+ Stored XSS via Page Settings Custom CSSAlso CWE-79
  • Anti-Spam by CleanTalk < 6.91 - Unauthenticated Stored XSS via Comment Author EmailAlso CWE-79
  • Foxit Workspace Stored XSS in shared artifactsAlso CWE-79
  • All-in-One Video Gallery < 5.1.0 - Subscriber+ Stored XSS via 'image' Post MetaAlso CWE-79
  • iubenda < 3.13.7 - Unauthenticated Stored XSS via Cookie Block HTML ParserAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Nov 6, 2026
References
1 linked source
Open source record