CVE-2024-38274 moodle: stored XSS via calendar's event title when deleting the event

What is CVE-2024-38274?

CVE-2024-38274 is a medium-severity cross-site scripting vulnerability in Fedoraproject Fedora, published on 18 Jun 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Insufficient escaping of calendar event titles resulted in a stored XSS risk in the event deletion prompt.

Weakness: CWE-79

Which versions are affected by CVE-2024-38274?

9 open source packages ship an affected version, including moodle/moodle and moodle. It affects 2 products.

Products include Fedoraproject Fedora, Moodle Moodle.

How do I fix CVE-2024-38274?

Upgrade moodle/moodle to a fixed version for your release line: 4.1.11, 4.2.8, 4.3.5 or 4.4.1.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-38274 being exploited?

There is no known exploitation of CVE-2024-38274 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-moodle-2024-38274, GHSA-p5cg-6rfr-6mx8, UBUNTU-CVE-2024-38274.