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CVE-2026-14834— Mailgun for WordPress < 2.2.1 - Unauthenticated Arbitrary Mailgun List Subscription via add_list AJAX

Quick assessment

Affected
Unknown Mailgun for WordPress
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.

WordPress Mailgun是WordPress基金会的一个邮件发送服务。 WordPress Mailgun 2.2.1之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未对未经验证的AJAX操作执行任何能力或nonce检查，可能导致未经身份验证的攻击者使用所有者存储的API凭据将任意电子邮件地址添加到邮件列表。

AI Predicted 6.5 Difficulty: Easy EPSS 0.16% · P6

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Mailgun for WordPress < 2.2.1 affected
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I. Basic Information for CVE-2026-14834

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Mailgun for WordPress < 2.2.1 - Unauthenticated Arbitrary Mailgun List Subscription via add_list AJAX
Source: CVE Program / CVE List V5
Vulnerability Description
The Mailgun for WordPress plugin before 2.2.1 does not perform any capability or nonce check on an unauthenticated AJAX action that adds subscribers to the site owner's configured email service mailing lists, allowing unauthenticated attackers to enrol arbitrary email addresses into those lists using the owner's stored API credentials.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Mailgun 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Mailgun是WordPress基金会的一个邮件发送服务。 WordPress Mailgun 2.2.1之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未对未经验证的AJAX操作执行任何能力或nonce检查，可能导致未经身份验证的攻击者使用所有者存储的API凭据将任意电子邮件地址添加到邮件列表。
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
Unknown Mailgun for WordPress 0 ~ 2.2.1 -

II. Public POCs for CVE-2026-14834

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III. Intelligence Information for CVE-2026-14834

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Other References for CVE-2026-14834 (1)

Same Patch Batch · Unknown · 2026-07-31 · 34 CVEs total

CVE-2026-12721 Kirki < 6.0.13 - Unauthenticated SQL Injection
CVE-2026-14930 JS Help Desk < 3.1.4 - Unauthenticated Arbitrary Ticket File Attachment Upload
CVE-2026-15381 WP Go Maps < 10.1.04 - Unauthenticated SQL Injection via Markers REST filter
CVE-2026-15209 JS Help Desk – AI-Powered Support & Ticketing System < 3.1.5 - Subscriber+ Cross-User Supp
CVE-2026-15258 Product Feed Manager for WooCommerce < 7.6.1 - Contributor+ SQL Injection via Feed Filter
CVE-2026-12251 Ultimate Member < 2.12.1 - Unauthenticated Privilege Escalation via Role Selection Field
CVE-2026-8155 BuddyPress < 14.5.0 - Subscriber+ Private Messages Disclosure via IDOR
CVE-2026-12376 Academy LMS <= 3.8.2 - Subscriber+ Sensitive Information Disclosure via quiz_attempts REST
CVE-2026-12720 Kirki < 6.0.13 - Unauthenticated PHP Object Injection
CVE-2026-14931 JS Help Desk < 3.1.4 - Contributor+ User Email Disclosure
CVE-2026-13393 ElementsKit Lite < 3.10.01 - Subsite Administrator+ Stored XSS via Megamenu Menu-Item Sett
CVE-2026-13392 ElementsKit Lite < 3.10.01 - Subsite Administrator+ PHP Code Injection via Custom Widget B
CVE-2026-14862 Support Genix Lite < 1.4.48 - Unauthenticated Ticket Attachment Download via Missing Autho
CVE-2026-14919 ShopMonitor.io < 1.2.0 - Unauthenticated Administrator Account Takeover via Password-Reset
CVE-2026-12697 wpForo Forum < 3.1.2 - Subscriber+ Cross-User AI Chat Message Deletion via IDOR
CVE-2026-12695 miniOrange 2FA < 6.2.6 - 2FA Bypass via Attacker-Controlled ga_secret
CVE-2026-13609 Frontend Admin by DynamiApps < 3.29.9 - Unauthenticated Stored Cross-Site Scripting via Fo
CVE-2026-14333 Demi - One Click Demo Import, Backup & Site Migration < 0.0.7 - Unauthenticated Sensitive
CVE-2026-14929 JS Help Desk < 3.1.4 - Subscriber+ Ticket Reply Modification via IDOR
CVE-2026-15048 GeekyBot < 1.2.8 - Unauthenticated Sensitive Information Exposure via Chat History

Showing top 20 of 34 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Mailgun for WordPress
Same vendor: Unknown

V. Comments for CVE-2026-14834

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