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WP Mega Menu <= 1.3.6 — Unauthenticated Settings Update to Stored Cross-Site Scripting

184ee992-1479-4528-9ff7-036affaecdbbPublished · Updated

Action summary

Affected: ≤1.3.6Update to 1.3.7 or newer

All remediation steps
Severity
Medium6.5
CVSS
6.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

WP Mega Menu wp-megamenu

  1. Affected≤ 1.3.6
  2. Patched in1.3.7

Update to 1.3.7 or newer.

You are affected if you run ≤ 1.3.6. Version 1.3.7 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP Mega Menu.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 1.3.7, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WP Mega Menu to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence.

The WP Mega Menu plugin for WordPress is vulnerable to unauthenticated settings updates that can lead to stored cross-site scripting in versions up to, and including 1.3.6 due to a missing capability check and insufficient validation. This makes it possible for unauthenticated attackers to update the plugins settings and inject malicious web scripts.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in WP Mega Menu

All 3
More vulnerabilities in WP Mega Menu
SeverityVulnerabilityCVEPublished
Medium4.9Authenticated (Administrator+) SQL Injection
≤1.4.2No patch available
CVE-2026-92465
High7.2Authenticated (Administrator+) PHP Object Injection
≤1.4.2No patch available
CVE-2024-54282

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 6.5

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
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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