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WordPress plugin

Multiple Plugins <= Multiple Versions — Missing Authorization to Authenticated (Subscriber+) Arbitrary Plugin Upload

CVE-2025-10896Published · Updated

Action summary

Master Blocks – Ultimate Blocks for Marketers: Affected: ≤1.4.1.3Update to 1.4.1.4 or newer

Image Comparison Addon for Elementor: Affected: ≤1.0.2.2Update to 1.0.2.3 or newer

Image Hover Effects for Elementor: Affected: ≤1.0.2.3Update to 1.0.2.4 or newer

Content Locker for Elementor: Affected: ≤1.0.3Update to 1.0.4 or newer

All remediation steps
Watch plugin
Severity
High8.8
CVSS
8.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/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:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Master Blocks – Ultimate Blocks for Marketers ultimate-blocks-for-gutenberg

  1. Affected≤ 1.4.1.3
  2. Patched in1.4.1.4

Update to 1.4.1.4 or newer.

You are affected if you run ≤ 1.4.1.3. Version 1.4.1.4 and later are not affected by this issue.

Image Comparison Addon for Elementor image-comparison-elementor-addon

  1. Affected≤ 1.0.2.2
  2. Patched in1.0.2.3

Update to 1.0.2.3 or newer.

You are affected if you run ≤ 1.0.2.2. Version 1.0.2.3 and later are not affected by this issue.

Image Hover Effects for Elementor image-hover-effects-elementor-addon

  1. Affected≤ 1.0.2.3
  2. Patched in1.0.2.4

Update to 1.0.2.4 or newer.

You are affected if you run ≤ 1.0.2.3. Version 1.0.2.4 and later are not affected by this issue.

Content Locker for Elementor content-locker-for-elementor

  1. Affected≤ 1.0.3
  2. Patched in1.0.4

Update to 1.0.4 or newer.

You are affected if you run ≤ 1.0.3. Version 1.0.4 and later are not affected by this issue.

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

What to do

  1. Update to version 1.4.1.4, or a newer patched version
  2. Update to version 1.0.2.3, or a newer patched version
  3. Update to version 1.0.2.4, or a newer patched version
  4. Update to version 1.0.4, or a newer patched version
  5. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  6. Watch Master Blocks – Ultimate Blocks for Marketers to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to theviper17y.

Multiple plugins for WordPress with the Jewel Theme Recommended Plugins Library are vulnerable to Unrestricted Upload of File with Dangerous Type via arbitrary plugin installation in all versions up to, and including, 1.0.2.3. This is due to missing capability checks on the '*_recommended_upgrade_plugin' function which allows arbitrary plugin URLs to be installed. This makes it possible for authenticated attackers with subscriber-level access and above to upload arbitrary plugin packages to the affected site's server via a crafted plugin URL, which may make remote code execution possible.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Master Blocks – Ultimate Blocks for Marketers

All 2
More vulnerabilities in Master Blocks – Ultimate Blocks for Marketers
SeverityVulnerabilityCVEPublished
High7.21.4.1.4 - Unauthenticated Stored Cross-Site Scripting
1.4.1 – 1.4.1.4Update to 1.5.0
CVE-2026-88824

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization 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 8.8

  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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