Where
-Infinity
0
Severity
9.9
Code Injection
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.

First published (updated )
Severity
8.8
EPSS
0.04%
CSRF
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Cross-Site Request Forgery (CSRF) vulnerability in CreativeThemes Blocksy Companion.This issue affects Blocksy Companion: from n/a through 2.0.28.

Remedy

Update to 2.0.29 or a higher version.
First published (updated )
Severity
8.8
EPSS
0.04%
CSRF
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Cross-Site Request Forgery (CSRF) vulnerability in creativethemeshq Blocksy blocksy.This issue affects Blocksy: from n/a through <= 2.0.22.

Remedy

Update to 2.0.23 or a higher version.
First published (updated )
Severity
8.8
CSRF
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Cross-Site Request Forgery (CSRF) vulnerability in creativethemeshq Blocksy blocksy allows Cross Site Request Forgery.This issue affects Blocksy: from n/a through <= 2.0.22.

Remedy

Update the WordPress Blocksy theme to the latest available version (at least 2.0.23).
First published (updated )
Severity
6.5
EPSS
0.04%
XSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in creativethemeshq Blocksy blocksy.This issue affects Blocksy: from n/a through <= 2.0.19.

Remedy

Update to 2.0.20 or a higher version.
First published (updated )
Severity
6.5
EPSS
0.04%
XSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in creativethemeshq Blocksy blocksy.This issue affects Blocksy: from n/a through <= 2.0.33.

Remedy

Update to 2.0.34 or a higher version.
First published (updated )
Severity
6.4
XSS
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocks in all versions up to, and including, 2.0.26 due to insufficient input sanitization and output escaping on user supplied attributes like 'className' and 'radius'. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

First published (updated )
Severity
6.4
EPSS
0.04%
XSS
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Newsletter widget in all versions up to, and including, 2.0.31 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

First published (updated )
Severity
6.4
EPSS
0.04%
Input Validation, XSS
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the className parameter in the About Me block in all versions up to, and including, 2.0.39 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

First published (updated )
Severity
6.4
EPSS
0.04%
XSS
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 2.0.42 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

First published (updated )
Severity
6.4
EPSS
0.05%
XSS
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG uploads in versions up to, and including, 2.0.45 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

First published (updated )
Severity
6.4
EPSS
0.06%
XSS
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘hasfieldlinkrel’ parameter in all versions up to, and including, 2.0.46 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

First published (updated )
Severity
6.4
EPSS
0.04%
Input Validation, XSS
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Blocksy theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the customurl parameter in all versions up to, and including, 2.0.50 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

First published (updated )
Severity
6.4
XSS
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the Contact Info Block link parameter in all versions up to, and including, 2.0.77 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

First published (updated )
Severity
5.9
XSS
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CreativeThemes Blocksy allows Stored XSS. This issue affects Blocksy: from n/a through 2.1.6.

1 / 2
Source: NVD

Remedy

Update the WordPress Blocksy theme to the latest available version (at least 2.1.7).
First published (updated )
Severity
5.5
XSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in CreativeThemes Blocksy Companion plugin <= 1.8.67 versions.

1 / 2

Remedy

Update to 1.8.68 or a higher version.
First published (updated )
Severity
4.9
SSRF
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Server-Side Request Forgery (SSRF) vulnerability in Creative Themes Blocksy Companion blocksy-companion.This issue affects Blocksy Companion: from n/a through <= 2.0.42.

Remedy

Update to 2.0.43 or a higher version.
First published (updated )
Severity
4.9
EPSS
0.03%
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Missing Authorization vulnerability in CreativeThemes Blocksy allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Blocksy: from n/a through 2.0.97.

1 / 2
Source: NVD

Remedy

Update the WordPress Blocksy theme to the latest available version (at least 2.0.98).
First published (updated )
Severity
4.3
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

The Blocksy Companion WordPress plugin before 1.8.82 does not ensure that posts to be accessed via a shortcode are already public and can be viewed, allowing any authenticated users, such as subscriber to access draft posts for example

First published (updated )

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203