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CVE-2026-16570— NextScripts: Social Networks Auto-Poster < 4.4.8 - Reflected XSS via Facebook OAuth Callback

Quick assessment

Affected
Unknown NextScripts: Social Networks Auto-Poster
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.

NextScripts: Social Networks Auto-Poster 插件在 4.4.8 版本之前，未对其管理页面中回显的部分查询字符串参数进行转义处理，导致攻击者可以针对已登录用户（如管理员）实施反射型跨站脚本（XSS）攻击，例如通过诱骗管理员打开精心构造的链接即可触发恶意脚本执行。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.18% · P8

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown NextScripts: Social Networks Auto-Poster < 4.4.8 affected
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I. Basic Information for CVE-2026-16570

Vulnerability Information
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Vulnerability Title
NextScripts: Social Networks Auto-Poster < 4.4.8 - Reflected XSS via Facebook OAuth Callback
Source: CVE Program / CVE List V5
Vulnerability Description
The NextScripts: Social Networks Auto-Poster WordPress plugin before 4.4.8 does not escape some of the query-string parameters it reflects back on one of its admin pages, allowing attackers to perform Reflected Cross-Site Scripting attacks against logged-in users such as administrators who are tricked into opening a crafted link.
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 NextScripts: Social Networks Auto-Poster 0 ~ 4.4.8 -

II. Public POCs for CVE-2026-16570

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III. Intelligence Information for CVE-2026-16570

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Vendor Advisories for CVE-2026-16570 (1)

Same Patch Batch · Unknown · 2026-08-19 · 38 CVEs total

CVE-2026-18779 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Appointment and Payment Record De
CVE-2026-17565 Animation Addons for Elementor < 2.7.2 - Unauthenticated Server-Side Request Forgery
CVE-2026-18466 WP Maps < 4.9.8 - Subscriber+ Unlimited Autoloaded Option Creation
CVE-2026-18051 W3 Total Cache < 2.10.5 - Unauthenticated Arbitrary Directory File Write and .htaccess Ove
CVE-2026-18231 WP Directory Kit < 1.5.7 - Unauthenticated User Email Disclosure via select_2_ajax_user
CVE-2026-18202 JetEngine < 3.8.14 - Author+ Stored XSS via SVG Upload
CVE-2026-18776 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Account Takeover via Multiple AJA
CVE-2026-18778 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Customer PII Disclosure via Multi
CVE-2026-18777 TrueBooker Appointment Booking < 1.2.7 - Unauthenticated Arbitrary Appointment Status Chan
CVE-2026-18937 Broken Link Checker < 2.4.12 - Unauthenticated RCE via Query Variable Injection
CVE-2026-18031 TabaPay Gateway <= 1.4.0 - Unauthenticated Account Takeover via Payment Callback
CVE-2026-19055 ProSolution WP Client < 2.0.11 - Reflected XSS via Multiple Parameters
CVE-2026-19709 Membership For WooCommerce < 3.1.2 - Unauthenticated Member Data Disclosure via REST Consu
CVE-2026-19056 ProSolution WP Client < 2.0.11 - Reflected XSS via 'page' Parameter
CVE-2026-19416 KiviCare < 4.5.4 - Patient+ Cross-Patient Appointment Modification via IDOR
CVE-2026-19406 Easy Appointments < 4.0.1 - Contributor+ Sensitive Information Disclosure via REST Appoint
CVE-2026-19417 KiviCare < 4.5.4 - Patient+ Arbitrary Media Attachment Read via IDOR
CVE-2026-19782 WPS Bidouille < 1.33.5 - Subscriber+ User Email Disclosure via wps_get_users
CVE-2026-19842 SAML Single Sign On 4.8.85 - 5.4.6 - Unauthenticated Administrator Account Takeover via SA
CVE-2026-14334 Booking calendar, Appointment Booking System <= 3.2.36 - Unauthenticated Stored XSS via SV

Showing top 20 of 38 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: NextScripts: Social Networks Auto-Poster
Same vendor: Unknown

V. Comments for CVE-2026-16570

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