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CVE-2026-2030

WPBakery Page Builder Addons by Livemesh <= 3.9.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

Published: May 27, 2026Updated: May 27, 2026 Sources: CVE List NVDCWE-79
6.4MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 85.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

The WPBakery Page Builder Addons by Livemesh plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[lvca_carousel]` and `[lvca_posts_carousel]` shortcode attributes in all versions up to, and including, 3.9.4 due to insufficient input sanitization and output escaping. Specifically, shortcode attributes are encoded with `wp_json_encode()` and output into single-quoted `data-settings` HTML attributes without using `esc_attr()`, allowing attackers to break out of the attribute by injecting single quotes. 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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

livemesh
commercialaka wpbakery page builder addons by livemesh, livemesh addons by elementor, livemesh addons for beaver builder
WPBakery Page Builder Addons by LivemeshOn-prem
Web & CMS Plugins / wordpress-plugin

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/ac1493dc-a90a-4427-a631-af5da65e1d6c?source=cve
wordfence.com
https://plugins.trac.wordpress.org/browser/addons-for-visual-composer/tags/3.9.4/includes/addons/carousel/class-lvca-carousel.php#L55
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/addons-for-visual-composer/tags/3.9.4/includes/addons/posts-carousel/class-lvca-posts-carousel.php#L113
plugins.trac.wordpress.org

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