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Accordion <= 2.2.8 — Unprotected AJAX Action to Stored/Reflected Cross-Site Scripting

CVE-2020-13644Published · Updated

Action summary

Affected: <2.2.9Update to 2.2.9 or newer

All remediation steps
Severity
Medium6.4
CVSS
6.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

Accordions accordions

  1. Affected< 2.2.9
  2. Patched in2.2.9

Update to 2.2.9 or newer.

You are affected if you run < 2.2.9. Version 2.2.9 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Accordions.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.2.9, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Accordions to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Chloe Chamberland.

An issue was discovered in the Accordion plugin before 2.2.9 for WordPress. The unprotected AJAX wp_ajax_accordions_ajax_import_json action allowed any authenticated user with Subscriber or higher permissions the ability to import a new accordion and inject malicious JavaScript as part of the accordion.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Accordions

All 10
More vulnerabilities in Accordions
SeverityVulnerabilityCVEPublished
Medium6.6Authenticated (Editor+) PHP Object Injection
≤2.3.25No patch available
CVE-2026-116392
Medium6.4Authenticated (Custom+) Stored Cross-Site Scripting via Accordion Body Field
≤2.3.23Update to 2.3.25
CVE-2026-10862
Medium4.3Missing Authorization
≤2.3.15Update to 2.3.16
CVE-2025-58678
Medium4.3Missing Authorization
≤2.3.14Update to 2.3.16
CVE-2025-53421
High8.8Authenticated (Contributor+) PHP Object Injection
≤2.3.11Update to 2.3.12
CVE-2025-32143

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent HeaderCVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form SubmissionCVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' ParameterCVE-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 medium, CVSS 6.4

  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.

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