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CVE-2026-88826— SmugMug Embed <= 3.13 - Unauthenticated Stored XSS via saveSelectedAlbums

Quick assessment

Affected
Unknown SmugMug Embed
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.

SmugMug Embed WordPress 插件在 3.13 版本及之前版本中，存在以下安全漏洞： 该插件中用于存储图库数据的 AJAX 操作未进行身份验证（authorization）或跨站请求伪造（CSRF）检查。此外，在将数据输出到页面时，未对该数据进行适当的清理（sanitise）或转义（escape）处理。这使得未授权的攻击者可以注入任意 Web 脚本，当管理员查看 SmugMug Embed WordPress 插件的设置页面时，这些恶意脚本将被执行。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown SmugMug Embed ≤ 3.13 affected
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I. Basic Information for CVE-2026-88826

Vulnerability Information
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Vulnerability Title
SmugMug Embed <= 3.13 - Unauthenticated Stored XSS via saveSelectedAlbums
Source: CVE Program / CVE List V5
Vulnerability Description
The SmugMug Embed WordPress plugin through 3.13 does not have authorisation or CSRF checks on an AJAX action that stores gallery data, and does not sanitise or escape that data before outputting it, allowing unauthenticated users to store arbitrary web scripts that execute when an administrator views the SmugMug Embed WordPress plugin through 3.13's settings screen.
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 SmugMug Embed 0 ~ 3.13 -

II. Public POCs for CVE-2026-88826

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III. Intelligence Information for CVE-2026-88826

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Same Patch Batch · Unknown · 2026-10-11 · 63 CVEs total

CVE-2026-84251 click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Arbitrary Options Update
CVE-2026-104680 Envira Gallery < 1.16.2 - Multisite Subsite Admin+ Arbitrary Plugin Installation via Onboa
CVE-2026-104681 Envira Gallery < 1.16.2 - Author+ Non-Public Post Title and Excerpt Disclosure via Gallery
CVE-2026-104682 Envira Gallery < 1.16.2 - Contributor Missing Authorization via Convert Gallery REST Route
CVE-2026-104028 Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE
CVE-2026-81649 Fundiin <= 3.4.0 - Unauthenticated Payment Gateway Settings Update and Credential Disclosu
CVE-2026-81155 Robo Gallery < 5.2.6 - Author+ Stored XSS via Gallery Search Label
CVE-2026-81154 Robo Gallery < 5.2.6 - Author+ Stored XSS via Image Alt Text
CVE-2026-81420 Tcard WP <= 1.8.0 - Unauthenticated SQLi via group_id Parameter
CVE-2026-81156 Robo Gallery < 5.2.6 - Contributor+ Stored XSS via Gallery Settings
CVE-2026-14854 WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service
CVE-2026-84252 click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Arbitrary Options Update
CVE-2026-84260 click5 CRM add-on to Gravity Forms <= 1.0.3 - Unauthenticated Stored XSS via post_notifica
CVE-2026-84259 click5 CRM add-on to WPForms <= 1.0.3 - Unauthenticated Stored XSS via post_notifications
CVE-2026-84253 click5 CRM add-on to Gravity Forms <= 1.0.3 - Unauthenticated Arbitrary Options Update
CVE-2026-84261 click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Stored XSS via post_notific
CVE-2026-84254 click5 CRM add-on to Contact Form 7 <= 1.0.4 - Unauthenticated Arbitrary Options Update
CVE-2026-84258 click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Stored XSS via post_notificati
CVE-2026-84737 Freeton WP <= 1.0.0 - Unauthenticated Account Takeover via 'secod' Parameter
CVE-2026-84734 Mindstien Quick Login <= 1.0 - Unauthenticated Administrator Account Takeover via 'mql_pas

Showing top 20 of 63 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Unknown

V. Comments for CVE-2026-88826

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