CVE-2026-3618
Columns by BestWebSoft <= 1.0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'columns' Shortcode 'id' Attribute
Description
The Columns by BestWebSoft plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode attribute of the [print_clmns] shortcode in all versions up to and including 1.0.3. This is due to insufficient input sanitization and output escaping on the 'id' attribute. The shortcode receives the 'id' parameter via shortcode_atts() at line 596 and directly embeds it into HTML output at line 731 (in a div id attribute) and into inline CSS at lines 672-729 without any escaping or sanitization. While the SQL query uses %d to cast the value to an integer for database lookup, the original unsanitized string value of $id is still used in the HTML/CSS output. 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. The attack requires that at least one column exists in the plugin (created by an admin), as the SQL query must return results for the output branch to be reached.
INFO
Published Date :
April 8, 2026, 7:16 a.m.
Last Modified :
July 24, 2026, 9:10 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-3618
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the plugin to the latest version.
- Ensure input sanitization and output escaping are implemented.
- Validate that the 'id' attribute is properly escaped.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-3618.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3618 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-3618
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3618 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-3618 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 24, 2026
Action Type Old Value New Value Added Translation Title: plugin para WordPress Columns by BestWebSoft, Description: El plugin Columns by BestWebSoft para WordPress es vulnerable a Stored Cross-Site Scripting a través del atributo del shortcode 'id' del shortcode [print_clmns] en todas las versiones hasta la 1.0.3 inclusive. Esto se debe a una sanitización de entrada y un escape de salida insuficientes en el atributo 'id'. El shortcode recibe el parámetro 'id' a través de shortcode_atts() en la línea 596 y lo incrusta directamente en la salida HTML en la línea 731 (en un atributo id de div) y en CSS en línea en las líneas 672-729 sin ningún escape o sanitización. Si bien la consulta SQL utiliza %d para convertir el valor a un entero para la búsqueda en la base de datos, el valor de cadena original no sanitizado de $id todavía se utiliza en la salida HTML/CSS. Esto hace posible que atacantes autenticados, con acceso de nivel Colaborador y superior, inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada. El ataque requiere que al menos una columna exista en el plugin (creada por un administrador), ya que la consulta SQL debe devolver resultados para que se alcance la rama de salida. -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'bestweblayout', 'product': 'Columns by BestWebSoft – Additional Columns Plugin for Posts Pages and Widgets', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '1.0.3'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-3618', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-04-13T15:07:07.535687Z'} -
New CVE Received by [email protected]
Apr. 08, 2026
Action Type Old Value New Value Added Description The Columns by BestWebSoft plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode attribute of the [print_clmns] shortcode in all versions up to and including 1.0.3. This is due to insufficient input sanitization and output escaping on the 'id' attribute. The shortcode receives the 'id' parameter via shortcode_atts() at line 596 and directly embeds it into HTML output at line 731 (in a div id attribute) and into inline CSS at lines 672-729 without any escaping or sanitization. While the SQL query uses %d to cast the value to an integer for database lookup, the original unsanitized string value of $id is still used in the HTML/CSS output. 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. The attack requires that at least one column exists in the plugin (created by an admin), as the SQL query must return results for the output branch to be reached. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Added CWE CWE-79 Added Reference https://plugins.trac.wordpress.org/browser/columns-bws/tags/1.0.3/columns-bws.php#L596 Added Reference https://plugins.trac.wordpress.org/browser/columns-bws/tags/1.0.3/columns-bws.php#L672 Added Reference https://plugins.trac.wordpress.org/browser/columns-bws/tags/1.0.3/columns-bws.php#L729 Added Reference https://plugins.trac.wordpress.org/browser/columns-bws/tags/1.0.3/columns-bws.php#L731 Added Reference https://plugins.trac.wordpress.org/browser/columns-bws/trunk/columns-bws.php#L596 Added Reference https://plugins.trac.wordpress.org/browser/columns-bws/trunk/columns-bws.php#L672 Added Reference https://plugins.trac.wordpress.org/browser/columns-bws/trunk/columns-bws.php#L729 Added Reference https://plugins.trac.wordpress.org/browser/columns-bws/trunk/columns-bws.php#L731 Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/d3e293db-9177-4fbb-a469-900d9330642d?source=cve