# Frappe Technologies LMS vulnerabilities

Source: https://junglewise.ai/threats/technologies/lms  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/lms.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 12 vulnerabilities in Frappe Technologies LMS: 0 in the last 7 days and 9 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-88844, was published on 18 September 2026. Nothing in the last four weeks, down from 2 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 9
- All time: 12 (0 critical, 0 exploited in the wild)

## About Frappe Technologies LMS

An open-source learning management system built on the Frappe framework.

## Latest Frappe Technologies LMS vulnerabilities

- [CVE-2026-88844: MasterStudy LMS insecure direct object reference in course enrollment data](https://junglewise.ai/threats/cve-2026-88844-masterstudy-lms-insecure-direct-object-reference-in-course) (low, CVSS 2.7, published 18 Sep 2026)
- [CVE-2026-81340: MasterStudy LMS privilege escalation via REST API IDOR](https://junglewise.ai/threats/cve-2026-81340-masterstudy-lms-privilege-escalation-via-rest-api-idor) (low, CVSS 3.8, published 18 Sep 2026)
- [CVE-2026-82851: Masteriyo LMS arbitrary post disclosure via IDOR](https://junglewise.ai/threats/cve-2026-82851-masteriyo-lms-arbitrary-post-disclosure-via-idor) (low, CVSS 2.7, published 12 Sep 2026)
- [CVE-2026-82848: Masteriyo LMS authorization bypass in REST API course enrollment endpoint](https://junglewise.ai/threats/cve-2026-82848-masteriyo-lms-authorization-bypass-in-rest-api-course-enrollment) (medium, CVSS 5.3, published 9 Sep 2026)
- [CVE-2026-82846: Masteriyo LMS stored cross-site scripting in course custom fields](https://junglewise.ai/threats/cve-2026-82846-masteriyo-lms-stored-cross-site-scripting-in-course-custom-fields) (medium, CVSS 6.8, published 5 Sep 2026)
- [CVE-2026-81198: MasterStudy LMS privilege escalation via IDOR in curriculum](https://junglewise.ai/threats/cve-2026-81198-masterstudy-lms-privilege-escalation-via-idor-in-curriculum) (low, CVSS 3.8, published 2 Sep 2026)
- [CVE-2026-81196: MasterStudy LMS WordPress plugin IDOR in quiz question access](https://junglewise.ai/threats/cve-2026-81196-masterstudy-lms-wordpress-plugin-idor-in-quiz-question-access) (low, CVSS 2.7, published 2 Sep 2026)
- [CVE-2026-81342: MasterStudy LMS open redirect in user registration](https://junglewise.ai/threats/cve-2026-81342-masterstudy-lms-open-redirect-in-user-registration) (medium, CVSS 4.7, published 29 Aug 2026)
- [CVE-2026-81026: MasterStudy LMS payment verification bypass in PayPal IPN handler](https://junglewise.ai/threats/cve-2026-81026-masterstudy-lms-payment-verification-bypass-in-paypal-ipn-handler) (medium, CVSS 4.8, published 29 Aug 2026)
- [CVE-2026-39405: Frappe LMS path traversal in SCORM ZIP upload](https://junglewise.ai/threats/cve-2026-39405-frappe-lms-path-traversal-in-scorm-zip-upload) (info, CVSS 9.4, published 20 May 2026)
- [CVE-2026-39415: Frappe LMS client-side quiz score manipulation](https://junglewise.ai/threats/cve-2026-39415-frappe-lms-client-side-quiz-score-manipulation) (medium, CVSS 4.3, published 8 Apr 2026)
- [CVE-2026-34606: Frappe LMS stored XSS in lesson content](https://junglewise.ai/threats/cve-2026-34606-frappe-lms-stored-xss-in-lesson-content) (medium, CVSS 6.1, published 2 Apr 2026)

## Most severe Frappe Technologies LMS vulnerabilities

- [CVE-2026-82846: Masteriyo LMS stored cross-site scripting in course custom fields](https://junglewise.ai/threats/cve-2026-82846-masteriyo-lms-stored-cross-site-scripting-in-course-custom-fields) (medium, CVSS 6.8, published 5 Sep 2026)
- [CVE-2026-34606: Frappe LMS stored XSS in lesson content](https://junglewise.ai/threats/cve-2026-34606-frappe-lms-stored-xss-in-lesson-content) (medium, CVSS 6.1, published 2 Apr 2026)
- [CVE-2026-82848: Masteriyo LMS authorization bypass in REST API course enrollment endpoint](https://junglewise.ai/threats/cve-2026-82848-masteriyo-lms-authorization-bypass-in-rest-api-course-enrollment) (medium, CVSS 5.3, published 9 Sep 2026)
- [CVE-2026-81026: MasterStudy LMS payment verification bypass in PayPal IPN handler](https://junglewise.ai/threats/cve-2026-81026-masterstudy-lms-payment-verification-bypass-in-paypal-ipn-handler) (medium, CVSS 4.8, published 29 Aug 2026)
- [CVE-2026-81342: MasterStudy LMS open redirect in user registration](https://junglewise.ai/threats/cve-2026-81342-masterstudy-lms-open-redirect-in-user-registration) (medium, CVSS 4.7, published 29 Aug 2026)
- [CVE-2026-39415: Frappe LMS client-side quiz score manipulation](https://junglewise.ai/threats/cve-2026-39415-frappe-lms-client-side-quiz-score-manipulation) (medium, CVSS 4.3, published 8 Apr 2026)
- [CVE-2026-81340: MasterStudy LMS privilege escalation via REST API IDOR](https://junglewise.ai/threats/cve-2026-81340-masterstudy-lms-privilege-escalation-via-rest-api-idor) (low, CVSS 3.8, published 18 Sep 2026)
- [CVE-2026-81198: MasterStudy LMS privilege escalation via IDOR in curriculum](https://junglewise.ai/threats/cve-2026-81198-masterstudy-lms-privilege-escalation-via-idor-in-curriculum) (low, CVSS 3.8, published 2 Sep 2026)
- [CVE-2026-88844: MasterStudy LMS insecure direct object reference in course enrollment data](https://junglewise.ai/threats/cve-2026-88844-masterstudy-lms-insecure-direct-object-reference-in-course) (low, CVSS 2.7, published 18 Sep 2026)
- [CVE-2026-82851: Masteriyo LMS arbitrary post disclosure via IDOR](https://junglewise.ai/threats/cve-2026-82851-masteriyo-lms-arbitrary-post-disclosure-via-idor) (low, CVSS 2.7, published 12 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 2 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 2 | 0 | 0 |
| 31 Aug 2026 | 3 | 0 | 0 |
| 7 Sep 2026 | 2 | 0 | 0 |
| 14 Sep 2026 | 2 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Frappe Technologies technologies

- [Frappe Technologies Frappe Framework](https://junglewise.ai/threats/technologies/frappe-framework): 15 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Frappe Technologies LMS vulnerabilities", https://junglewise.ai/threats/technologies/lms, 9 November 2026.