CVE-2026-110813 | BDVDB-2026-401088 Detail

Advanced Custom Fields (ACF®)

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

https://wpscan.com/vulnerability/f7373dad-036e-47f4-b8a5-584341f66560/

Exploit#

https://wpscan.com/vulnerability/f7373dad-036e-47f4-b8a5-584341f66560/

History#

Version 12026-11-06Record published in the CVE List.

Published

Published: 2026-11-06
Last modified: 2026-11-06

Vendor information

Vendor: Not stated
Product: Advanced Custom Fields (ACF®)

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 19.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 6.8.11
Fixed
6.8.11

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).