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CVE-2026-115299— Contact Form by Supsystic < 1.11.1 - Arbitrary Plugin Settings Update via CSRF

Quick assessment

Affected
Unknown Contact Form by Supsystic
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.

在 1.11.1 版本之前的 Supsystic Contact Form WordPress 插件中，保存邮件设置时未验证 CSRF（跨站请求伪造）令牌（nonce）。攻击者可诱使已登录的管理员访问一个精心构造的页面，从而覆盖站点的出站邮件配置，包括 SMTP 服务器、其凭据以及通知收件人。这将导致该插件在 1.1.11.1 版本之前发出的联系表单通知被路由到攻击者控制的系统中。

AI Predicted 7.5 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1566.003 · Spearphishing via Service
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I. Basic Information for CVE-2026-115299

Vulnerability Information
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Vulnerability Title
Contact Form by Supsystic < 1.11.1 - Arbitrary Plugin Settings Update via CSRF
Source: CVE Program / CVE List V5
Vulnerability Description
The Contact Form by Supsystic WordPress plugin before 1.11.1 does not verify a CSRF nonce before saving its mail settings, allowing an attacker to overwrite the site's outbound mail configuration, including the SMTP server, its credentials and the notification recipient, by tricking a logged-in administrator into visiting a crafted page, which can route the Contact Form by Supsystic WordPress plugin before 1.11.1's contact-form notifications through infrastructure the attacker controls.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Contact Form by Supsystic 0 ~ 1.11.1 -

II. Public POCs for CVE-2026-115299

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-115299

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Same Patch Batch · Unknown · 2026-10-29 · 28 CVEs total

CVE-2026-115303 3.7 LOW Contact Form by Supsystic < 1.11.1 - Unauthenticated CRLF / Email Header Injection via Rep
CVE-2024-3586 LetterPress < 2.4.0 - Admin+ Stored XSS
CVE-2026-115282 Recipe Card Blocks Lite 2.6.4 - 3.6.3 - Unauthenticated Unpublished Post Content Disclosur
CVE-2026-115302 Contact Form by Supsystic < 1.11.1 - Unauthenticated Arbitrary Statistics Deletion
CVE-2026-115301 Contact Form by Supsystic < 1.11.1 - Admin+ SSTI via Form Text Block
CVE-2026-115300 Contact Form by Supsystic < 1.11.1 - Contact Submission and Statistics Deletion via CSRF
CVE-2026-88928 PAYCOMET for WooCommerce 5.36 - 5.45 - Unauthenticated Stored Payment Token Overwrite via
CVE-2026-78395 Link Library < 7.10.0 - Unauthenticated Link Submission Login Requirement Bypass
CVE-2026-78396 Link Library < 7.10.0 - Unauthenticated Link Contact and Submitter Information Disclosure
CVE-2026-89216 vTables < 0.3 - Unauthenticated SQL Injection via orderby Parameter
CVE-2026-108763 Wallet System for WooCommerce < 2.8.2 - Subscriber+ KYC Document Overwrite via IDOR
CVE-2026-108686 WP Post Author < 4.2.0 - Unauthenticated reCAPTCHA Secret Key Disclosure
CVE-2026-108685 WP Post Author < 4.2.0 - Unauthenticated Modification of the First User Account's Profile
CVE-2026-105258 LatePoint < 5.7.6 - Admin+ Stored XSS via Booking Form Step Settings
CVE-2026-103693 Frontend Dashboard < 3.0.5 and ProfileGrid < 6.0.0.5 - Unauthenticated PHP Object Injectio
CVE-2026-110504 Enable SVG, WebP, and ICO Upload 1.1.3 - 1.1.5 - Author+ Stored XSS via SVG Sanitization B
CVE-2026-110030 Hide Price Until Login < 1.1.2 - Unauthenticated Account Creation via Guest Registration
CVE-2026-110983 WP Photo Album Plus < 9.3.04.004 - Photo Comment Deletion via CSRF
CVE-2026-110505 Enable SVG, WebP, and ICO Upload < 1.1.6 - Author+ Stored XSS via SMIL Animation Bypass
CVE-2026-113616 LogixFast Auth < 1.0.4 - Unauthenticated Account Takeover via Password Reset

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Contact Form by Supsystic
Same vendor: Unknown