CVE-2026-19613

ECS < 4.3.10 - Contributor+ Arbitrary Post Meta Disclosure via Dynamic Repeater ACF Source

Published Aug 16, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
The ECS WordPress plugin before 4.3.10 does not perform ownership or post-status checks when one of its dynamic repeater data sources reads custom field values from a user-supplied post identifier, allowing users with a contributor-level account or above to read custom field values and post metadata from posts they do not own, including private and draft ones.

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
Weaknesses CWE-285
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

ssvc

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

Type Values Removed Values Added
Weaknesses CWE-200
CWE-285
Type Values Removed Values Added
Description The ECS WordPress plugin before 4.3.10 does not perform ownership or post-status checks when one of its dynamic repeater data sources reads custom field values from a user-supplied post identifier, allowing users with a contributor-level account or above to read custom field values and post metadata from posts they do not own, including private and draft ones.
Title ECS < 4.3.10 - Contributor+ Arbitrary Post Meta Disclosure via Dynamic Repeater ACF Source
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 17, 2026, 8:23 PM
Reserved
Aug 12, 2026, 12:17 PM
Status
Deferred
Published
Aug 16, 2026, 6:16 AM
Modified
Aug 26, 2026, 4:30 PM