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Flamingo EUVDEUVD-2026-72365

| CVE-2026-12853 MEDIUM
Missing Authorization (CWE-862)
2026-09-07 Wordfence GHSA-gc86-q63m-v87m
5.4
CVSS 3.1 · Vendor: Wordfence
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Severity by source

Vendor (Wordfence) PRIMARY
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
vuln.today AI
4.3 MEDIUM

Exploitation is read-only taxonomy enumeration via standard WordPress APIs; I:N because no data modification capability is described in the vulnerability.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Metadata Corrected
Sep 07, 2026 - 13:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 07, 2026 - 13:35 vuln.today
CVE Published
Sep 07, 2026 - 12:29 nvd
MEDIUM 5.4

DescriptionCVE.org

The Flamingo plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.6.2. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to enumerate taxonomy terms including channel names derived from Contact Form 7 form titles that may reveal internal form purposes, department names, or workflow identifiers, as well as submission counts per channel and contact tag names. The plugin's flamingo_map_meta_cap() filter restricts access to Flamingo's admin UI but does not extend to WordPress core APIs such as XML-RPC wp.getTerms and admin-ajax ajax-tag-search.

AnalysisAI

Authorization bypass in the Flamingo WordPress plugin (all versions ≤2.6.2) allows authenticated contributor-level users to enumerate sensitive internal metadata via unprotected WordPress core API endpoints. The plugin's capability filter flamingo_map_meta_cap() secures the admin UI but leaves XML-RPC wp.getTerms and admin-ajax ajax-tag-search without equivalent checks, exposing Contact Form 7 channel names, department identifiers, workflow names, submission counts per channel, and contact tag names. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid WordPress account at contributor level or above - unauthenticated exploitation is not possible (CVSS PR:L). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.4 Medium score (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N) is broadly consistent with the attack profile, though the I:L component is inconsistent with the description, which exclusively describes read-only taxonomy enumeration - no data modification capability is documented, suggesting I:N is more accurate. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update the Flamingo plugin to a version newer than 2.6.2 using the WordPress plugin repository - the upstream fix is confirmed via changeset https://plugins.trac.wordpress.org/changeset/3611179/, which patches the authorization logic in capabilities.php and related class files. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-72365 vulnerability details – vuln.today

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