Description
The WP Composer – The Easiest Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pbwp_raw_shortcode' shortcode in all versions up to, and including, 1.0.5. This is due to the shortcode handler decoding Base64-encoded content and outputting it directly without any sanitization or 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. The Base64 encoding allows the payload to bypass WordPress's KSES content filtering at save time, since the encoded string contains no harmful HTML characters.
Published: 2026-09-19
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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History

Mon, 21 Sep 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Ghozylab
Ghozylab wp Composer – The Easiest Page Builder
Wordpress
Wordpress wordpress
Vendors & Products Ghozylab
Ghozylab wp Composer – The Easiest Page Builder
Wordpress
Wordpress wordpress

Sat, 19 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 19 Sep 2026 08:00:00 +0000

Type Values Removed Values Added
Description The WP Composer – The Easiest Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pbwp_raw_shortcode' shortcode in all versions up to, and including, 1.0.5. This is due to the shortcode handler decoding Base64-encoded content and outputting it directly without any sanitization or 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. The Base64 encoding allows the payload to bypass WordPress's KSES content filtering at save time, since the encoded string contains no harmful HTML characters.
Title WP Composer <= 1.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'pbwp_raw_shortcode' Shortcode
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


Subscriptions

Ghozylab Wp Composer – The Easiest Page Builder
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-09-19T14:01:22.841Z

Reserved: 2026-02-12T20:16:29.208Z

Link: CVE-2026-2422

cve-icon Vulnrichment

Updated: 2026-09-19T13:52:31.844Z

cve-icon NVD

Status : Deferred

Published: 2026-09-19T08:16:53.747

Modified: 2026-09-21T13:33:33.387

Link: CVE-2026-2422

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-21T10:03:27Z

Weaknesses