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Vulnerability record · CVE-2024-28198 · published 11 March 2024

CVE-2024-28198: Frentix openolat xml external entity (xxe) vulnerability

Frentix · Openolat

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. By manually manipulating http requests when using the draw.io integration it is possible to read arbitrary files as the configured system user and SSRF. The problem is fixed in version 18.1.6 and 18.2.2. It is advised to upgrade to the latest version of 18.1.x or 18.2.x. Users unable to upgrade may work around this issue by disabling the Draw.io module or the entire REST API which will secure the system.

7.5 CVSS 3.1 High EPSS 0.43% · top 65.1% CWE-611 · XML external entity (XXE)
7.5CVSS 3.1 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

OpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. By manually manipulating http requests when using the draw.io integration it is possible to read arbitrary files as the configured system user and SSRF. The problem is fixed in version 18.1.6 and 18.2.2. It is advised to upgrade to the latest version of 18.1.x or 18.2.x. Users unable to upgrade may work around this issue by disabling the Draw.io module or the entire REST API which will secure the system.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/OpenOLAT/OpenOLAT/commit/23e6212e9412c3b099436159b8c8935321c91872 Patch
https://github.com/OpenOLAT/OpenOLAT/security/advisories/GHSA-pqvm-h9mg-434c Vendor Advisory
https://track.frentix.com/issue/OO-7553/XXE-injection-in-draw.io-endpoint Broken Link
https://github.com/OpenOLAT/OpenOLAT/commit/23e6212e9412c3b099436159b8c8935321c91872 Patch
https://github.com/OpenOLAT/OpenOLAT/security/advisories/GHSA-pqvm-h9mg-434c Vendor Advisory
https://track.frentix.com/issue/OO-7553/XXE-injection-in-draw.io-endpoint Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-31946Frentix openolat improper authentication vulnerabilityOpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. From version 10.5.4 to before version …EPSS 0.33%8.8CVE-2026-28228Frentix openolat vulnerabilityOpenOlat is an open source web-based e-learning platform for teaching, learning, assessment and communication. Prior to versions 19.1.31, 20.1.18, an…EPSS 0.53%8.8CVE-2021-39181Frentix openolat xml injection vulnerabilityOpenOlat is a web-based learning management system (LMS). Prior to version 15.3.18, 15.5.3, and 16.0.0, using a prepared import XML file (e.g. a cour…EPSS 1.9%8.8CVE-2021-39180Frentix openolat path traversal vulnerabilityOpenOLAT is a web-based learning management system (LMS). A path traversal vulnerability exists in versions prior to 15.3.18, 15.5.3, and 16.0.0. Usi…EPSS 2.4%8.1CVE-2021-41242Frentix openolat relative path traversal vulnerabilityOpenOlat is a web-basedlearning management system. A path traversal vulnerability exists in OpenOlat prior to versions 15.5.12 and 16.0.5. By providi…EPSS 1.4%7.7CVE-2021-41152Frentix openolat path traversal vulnerabilityOpenOlat is a web-based e-learning platform for teaching, learning, assessment and communication, an LMS, a learning management system. In affected v…EPSS 1.2%5.4CVE-2024-25973Frentix openolat improper input validation vulnerabilityThe Frentix GmbH OpenOlat LMS is affected by multiple stored Cross-Site Scripting (XSS) vulnerabilities. An attacker with rights to create or edit gr…EPSS 0.56%5.4CVE-2024-25974Frentix openolat improper input validation vulnerabilityThe Frentix GmbH OpenOlat LMS is affected by stored a Cross-Site Scripting (XSS) vulnerability. It is possible to upload files within the Media Cente…EPSS 0.55%

Source: NIST National Vulnerability Database (record CVE-2024-28198), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.