CVE-2024-33526: ilias XSS — Exploit & Fix

Description

A Stored Cross-site Scripting (XSS) vulnerability in the "Import of user role and title of user role" feature in ILIAS 7 before 7.30 and ILIAS 8 before 8.11 allows remote authenticated attackers with administrative privileges to inject arbitrary web script or HTML via XML file upload.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
ilias	ilias	7.0 — 7.30
ilias	ilias	8.0 — 8.11

References

Advisories & Patches

https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&cmd=layout&ref_id=1719&obj_id=170029 https://docu.ilias.de/ilias.php?baseClass=illmpresentationgui&cmd=layout&ref_id=1719&obj_id=170029

Exploits

https://insinuator.net/2024/05/security-advisory-achieving-php-code-execution-in-ilias-elearning-lms-before-v7-30-v8-11-v9-1/ https://insinuator.net/2024/05/security-advisory-achieving-php-code-execution-in-ilias-elearning-lms-before-v7-30-v8-11-v9-1/

Frequently Asked Questions

What is CVE-2024-33526? +

A Stored Cross-site Scripting (XSS) vulnerability in the "Import of user role and title of user role" feature in ILIAS 7 before 7.30 and ILIAS 8 before 8.11 allows remote authenticated attackers with administrative privileges to inject arbitrary web script or HTML via XML file upload. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2024-33526? +

CVE-2024-33526 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-33526? +

CVE-2024-33526 affects products from ilias, specifically: ilias. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-33526? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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