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WordPress plugin

Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated <= 4.10.0 — Authenticated (Contributor+) Insecure Direct Object Reference

CVE-2026-62113Published · Updated

Action summary

Affected: ≤4.10.0Update to 4.10.1 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-639 Authorization Bypass Through User-Controlled Key
Required access
Unknown
Exploit prediction (EPSS)
0.3% chance in 30 days19th percentile
CISA KEV
Not listed
On this page8

Am I affected?

Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated slim-seo

  1. Affected≤ 4.10.0
  2. Patched in4.10.1

Update to 4.10.1 or newer.

You are affected if you run ≤ 4.10.0. Version 4.10.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 4.10.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Sybre Waaijer.

The Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.10.0. This is due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with contributor-level access and above, to perform an unauthorized action.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated

All 7
More vulnerabilities in Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated
SeverityVulnerabilityCVEPublished
Medium5.4Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'Biographical Info' User Meta
≤4.11.1Update to 4.11.2
CVE-2026-104001
Medium4.3Insecure Direct Object Reference to Authenticated (Contributor+) Arbitrary Post Meta Disclosure
≤4.9.10Update to 4.9.11
CVE-2026-16957
Medium4.3Authenticated (Contributor+) Insufficient Authorization to Private Content Disclosure via 'object.ID' Parameter
≤4.9.8Update to 4.9.9
CVE-2026-12408
Medium4.3Missing Authorization
≤4.6.2Update to 4.7.0
CVE-2026-57429
Medium4.9Authenticated (Administrator+) SQL Injection
≤4.5.4Update to 4.5.5
CVE-2025-49854

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  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.
EPSS
Exploit Prediction Scoring System by FIRST.org.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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