CVE-2026-118800

MediumCVSS 6.4/10Last modified Nov 7, 2026

Description

The aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headingTag' parameter in all versions up to, and including, 2.18.0 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.

Metrics

CVSS 3.1 6.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

VendorProductVersions
kodezenaBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder<= 2.18.0

References

Timeline

Published
Nov 7, 2026
Last modified
Nov 7, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-1188014.3The aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder plugin for WordPress is vulnerable tCVE-2026-1188037.5Bricks Theme 2.4.3 and before contains an unauthenticated dynamic-data tag injection vulnerability that allows anonymous attackers to controCVE-2026-1188047.5Bricks Builder 2.4.3 and before contains a broken access control vulnerability that allows unauthenticated attackers to access restricted poCVE-2026-118816.1The Fluent Forms WordPress plugin before 6.2.6 does not sanitise and escape one of its form field configuration settings before outputting CVE-2026-118823.7The Builderall for WordPress plugin before 3.0.2 does not bind the state value of its public OAuth authentication routes to the initiating uCVE-2026-118837.2The WebAuthn Provider for Two Factor WordPress plugin before 2.5.6 does not correctly validate the second-factor authentication response, alCVE-2026-118846.5A heap buffer overflow flaw was found in 389 Directory Server. When serializing objectclass definitions, the oc_superior (SUP) field length CVE-2026-118858.4IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H1 A carefully crafted OS hypervCVE-2026-1188557.0Akaunting 3.3.0 contains a stored cross-site scripting vulnerability through invoice import. An authenticated user with invoice-creation perCVE-2026-1188657.3An authenticated OS command injection vulnerability exists in the Offline Download component (USB storage allocation) of Archer AX3000 v2. WCVE-2026-1188698.7An OS command injection vulnerability exists in SHIRASAGI, which may allow an authenticated attacker to execute arbitrary OS commands on theCVE-2026-118874.3The Salon Booking System WordPress plugin before 10.30.20 does not have proper authorisation checks on one of its AJAX actions, allowing an
CVE-2026-118800: Medium severity, CVSS 6.4 | Vulnix