CVE-2026-88826
Last modified
CVE-2026-88826 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | SmugMug Embed | <= 3.13 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-88826?
How severe is CVE-2026-88826?
How do I fix CVE-2026-88826?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-88816DBI versions before 1.654 for Perl incorrectly treat numeric…7.5
- CVE-2026-88817An authenticated, non-guest user of Curiosity Workspace coul…8.7
- CVE-2026-88819In Siglet current and past versions the refresh token handle…6.3
- CVE-2026-8882The WP ApplicantStack Jobs Display plugin for WordPress is v…6.4
- CVE-2026-88824The Master Blocks WordPress plugin before 1.5.0 does not ha…8.8
- CVE-2026-88825The iGMS Direct Booking WordPress plugin before 2.0 does not…8.8
- CVE-2026-88827The Disable Users WordPress plugin through 1.0.5 does not en…8.8
- CVE-2026-88828The Blacklist Manager for WooCommerce WordPress plugin from …5.4
- CVE-2026-88829A flaw was found in BusyBox httpd's reverse proxy feature. W…7.2
- CVE-2026-8883The Global Body Mass Index Calculator plugin for WordPress i…6.4
- CVE-2026-88830A unit confusion in BusyBox TLS Montgomery reduction buffer …7.5
- CVE-2026-88831BusyBox httpd IP deny rules with invalid CIDR prefix lengths…5.3
Are you affected by CVE-2026-88826?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST