CVE-2026-82847
Last modified
CVE-2026-82847 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. The Masteriyo LMS WordPress plugin before 3.4.1 does not sanitise and escape one of its course fields before outputting it back in the course editor, allowing users with the instructor role to perform Stored Cross-Site Scripting attacks against higher privileged users such as administrators.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
The Masteriyo LMS WordPress plugin before 3.4.1 does not sanitise and escape one of its course fields before outputting it back in the course editor, allowing users with the instructor role to perform Stored Cross-Site Scripting attacks against higher privileged users such as administrators.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Masteriyo LMS | < 3.4.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-82847?
How severe is CVE-2026-82847?
How do I fix CVE-2026-82847?
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-2026-82841The UpdraftPlus: WP Backup & Migration Plugin WordPress plug…5.3
- CVE-2026-82842The SAML Single Sign On WordPress plugin before 6.0.0 does …8.1
- CVE-2026-82843The WP OAuth Server ( Login with WordPress ) WordPress plugi…9
- CVE-2026-82844The WPForms Lite WordPress plugin before 2.0.2.2 does not ve…5.3
- CVE-2026-82845The Masteriyo LMS WordPress plugin before 3.4.1 does not pr…9.9
- CVE-2026-82846The Masteriyo LMS WordPress plugin before 3.4.0 does not sa…6.8
- CVE-2026-82848The Masteriyo LMS WordPress plugin before 3.4.0 does not pe…5.3
- CVE-2026-82849The Masteriyo LMS WordPress plugin before 3.4.2 does not ve…4.3
- CVE-2026-8285Improper restriction of excessive authentication attempts vu…4.3
- CVE-2026-82850The Masteriyo LMS WordPress plugin before 3.4.2 does not re…4.3
- CVE-2026-82851The Masteriyo LMS WordPress plugin before 3.4.1 does not ve…2.7
- CVE-2026-82852Unauthenticated Server Side Request Forgery (SSRF) in MapSVG…5.4
Are you affected by CVE-2026-82847?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST