VulnCrest
Search
Create account
Report an incident
Radar sectionsDatabase
Check my site
WordPress plugin

Advanced Custom Fields: Extended <= 0.8.8.6 — Admin+ SQL Injection

CVE-2021-24865Published · Updated

Action summary

Affected: ≤0.8.8.6Update to 0.8.8.7 or newer

All remediation steps
Watch plugin
Severity
High7.2
CVSS
7.2
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:H Privileges required
High
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-89 SQL Injection
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Advanced Custom Fields: Extended acf-extended

  1. Affected≤ 0.8.8.6
  2. Patched in0.8.8.7

Update to 0.8.8.7 or newer.

You are affected if you run ≤ 0.8.8.6. Version 0.8.8.7 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 Custom Fields: Extended.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 0.8.8.7, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Advanced Custom Fields: Extended to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to ZhongFu Su.

The Advanced Custom Fields: Extended WordPress plugin before 0.8.8.7 does not validate the order and orderby parameters before using them in a SQL statement, leading to a SQL Injection issue

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Advanced Custom Fields: Extended

All 20
More vulnerabilities in Advanced Custom Fields: Extended
SeverityVulnerabilityCVEPublished
High7.5Unauthenticated Sensitive Information Exposure in 'acf[<mapped_field>]' Parameter via {get_user} Template Tag Injection
≤0.9.2.7Update to 0.9.2.8
CVE-2026-110305
Medium5.3Missing Authorization to Unauthenticated Data Exposure via Multiple AJAX Endpoints
≤0.9.2.7Update to 0.9.2.8
CVE-2026-2839
Medium4.8Missing Authorization to Unauthenticated Arbitrary Attachment Deletion via Email Action Dynamic File Field
≤0.9.2.6Update to 0.9.2.7
CVE-2026-10752
Critical9.8Unauthenticated Privilege Escalation via Account Takeover
0.9.2.7 – 0.9.2.7Update to 0.9.2.8
CVE-2026-94268
High7.3Unauthenticated Arbitrary Non-Admin Account Takeover
0.9.2.7 – 0.9.2.7Update to 0.9.2.8
CVE-2026-94262

Same weakness (SQL Injection)

All SQL Injection
Other SQL Injection vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 7.2

  2. 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.

How we use these sources

Search VulnCrest Radar

Jump to

Are you sure?