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CVE-2026-12853— Flamingo <= 2.6.2 - Authenticated (Contributor+) Missing Authorization to Unauthorized Tag Information Disclosure via wp.getTerms and ajax-tag-search

Quick assessment

Affected
rocklobsterinc Flamingo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

rocklobsterinc Flamingo是rocklobsterinc组织的一款支持多协议通信的软件。 rocklobsterinc Flamingo 2.6.2及之前版本存在授权问题漏洞，该漏洞源于插件未能正确验证用户是否被授权执行操作，导致具有贡献者级别及以上访问权限的已认证攻击者能够枚举分类学术语，包括从Contact Form 7表单标题派生的渠道名称，可能泄露内部表单用途、部门名称或工作流标识符等信息。

CVSS 5.4 · Medium EPSS 0.31% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
rocklobsterinc Flamingo ≤ 2.6.2 affected
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I. Basic Information for CVE-2026-12853

Vulnerability Information
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Vulnerability Title
Flamingo <= 2.6.2 - Authenticated (Contributor+) Missing Authorization to Unauthorized Tag Information Disclosure via wp.getTerms and ajax-tag-search
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
rocklobsterinc Flamingo 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
rocklobsterinc Flamingo是rocklobsterinc组织的一款支持多协议通信的软件。 rocklobsterinc Flamingo 2.6.2及之前版本存在授权问题漏洞，该漏洞源于插件未能正确验证用户是否被授权执行操作，导致具有贡献者级别及以上访问权限的已认证攻击者能够枚举分类学术语，包括从Contact Form 7表单标题派生的渠道名称，可能泄露内部表单用途、部门名称或工作流标识符等信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
rocklobsterinc Flamingo 0 ~ 2.6.2 -

II. Public POCs for CVE-2026-12853

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III. Intelligence Information for CVE-2026-12853

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Patches & Fixes for CVE-2026-12853 (1)

Vendor Pages for CVE-2026-12853 (4)

Other References for CVE-2026-12853 (3)

IV. Related Vulnerabilities

Same product: Flamingo
Same vendor: rocklobsterinc
Same weakness: CWE-862

V. Comments for CVE-2026-12853

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