Advanced Forms for ACF <= 1.6.8 — Insecure Direct Object Reference
CVE-2021-24892Published · Updated Action summary
Affected: <1.6.9Update to 1.6.9 or newer
All remediation steps- Severity
- High8.8
- CVSS
- 8.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Advanced Forms for ACF advanced-forms
- Affected< 1.6.9
- Patched in1.6.9
Update to 1.6.9 or newer.
You are affected if you run < 1.6.9. Version 1.6.9 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Advanced Forms for ACF.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 1.6.9, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Advanced Forms for ACF to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Suppawit Punhakit.
Insecure Direct Object Reference in edit function of Advanced Forms (Free & Pro) before 1.6.9 allows authenticated remote attacker to change arbitrary user's email address and request for reset password, which could lead to take over of WordPress's administrator account. To exploit this vulnerability, an attacker must register to obtain a valid WordPress's user and use such user to authenticate with WordPress in order to exploit the vulnerable edit function.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Advanced Forms for ACF
All 3| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Missing Authorization ≤1.9.3.7Update to 1.9.3.8 | CVE-2026-57378 | |
| Medium5.3 | Missing Authorization to Unauthenticated Form Settings Export ≤1.9.3.2Update to 1.9.3.3 | CVE-2024-1121 |
- Medium5.3Missing Authorization
≤1.9.3.7Update to 1.9.3.8
- Medium5.3Missing Authorization to Unauthenticated Form Settings Export
≤1.9.3.2Update to 1.9.3.3
Timeline
CVE published
Severity high, CVSS 8.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.