Columns by BestWebSoft <= 1.0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'columns' Shortcode 'id' Attribute

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Summary

CVECVE-2026-3618
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-08 07:16:21 UTC
Updated2026-04-08 21:26:35 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS: 0.000630000 probability, percentile 0.195680000 (date 2026-04-14)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Bestweblayout Columns By BestWebSoft Additional Columns Plugin For Posts Pages And Widgets affected 1.0.3 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/columns-bws/trunk/columns-bws.php [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/d3e293db-9177-4fbb-a469-900d9... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/columns-bws/trunk/columns-bws.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/columns-bws/trunk/columns-bws.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/columns-bws/tags/1.0.3/columns-bws.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/columns-bws/tags/1.0.3/columns-bws.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/columns-bws/trunk/columns-bws.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/columns-bws/tags/1.0.3/columns-bws.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/columns-bws/tags/1.0.3/columns-bws.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Muhammad Yudha - DJ (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-04-07T17:37:49.000ZDisclosed
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