CVE-2026-18807

ECS < 4.3.13 - Contributor+ Arbitrary Post Binding and Global Preset Modification via Dynamic Repeater Handlers

Published Aug 15, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
The ECS WordPress plugin before 4.3.13 does not have capability or ownership checks on its dynamic repeater actions, relying only on a nonce available to any user who can open the page builder, allowing users with a contributor-level account or above to read, alter and delete the binding configuration of posts they do not own and to change the ECS WordPress plugin before 4.3.13's site-wide presets.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions ecs
Vendors & Products Wordpress-extensions
Wordpress-extensions ecs
Type Values Removed Values Added
Description The ECS WordPress plugin before 4.3.8 does not have capability or ownership checks on its dynamic repeater actions, relying only on a nonce available to any user who can open the page builder, allowing users with a contributor-level account or above to read, alter and delete the binding configuration of posts they do not own and to change the ECS WordPress plugin before 4.3.8's site-wide presets. The ECS WordPress plugin before 4.3.13 does not have capability or ownership checks on its dynamic repeater actions, relying only on a nonce available to any user who can open the page builder, allowing users with a contributor-level account or above to read, alter and delete the binding configuration of posts they do not own and to change the ECS WordPress plugin before 4.3.13's site-wide presets.
Title ECS < 4.3.8 - Contributor+ Arbitrary Post Binding and Global Preset Modification via Dynamic Repeater Handlers ECS < 4.3.13 - Contributor+ Arbitrary Post Binding and Global Preset Modification via Dynamic Repeater Handlers
Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-285
Type Values Removed Values Added
Description The ECS WordPress plugin before 4.3.8 does not have capability or ownership checks on its dynamic repeater actions, relying only on a nonce available to any user who can open the page builder, allowing users with a contributor-level account or above to read, alter and delete the binding configuration of posts they do not own and to change the ECS WordPress plugin before 4.3.8's site-wide presets.
Title ECS < 4.3.8 - Contributor+ Arbitrary Post Binding and Global Preset Modification via Dynamic Repeater Handlers
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Oct 16, 2026, 11:08 AM
Reserved
Aug 4, 2026, 12:24 PM
Status
Deferred
Published
Aug 15, 2026, 6:17 AM
Modified
Oct 16, 2026, 12:16 PM