CVE-2023-22911 Cross-site scripting in n/a

What is CVE-2023-22911?

CVE-2023-22911 is a medium-severity cross-site scripting vulnerability in Fedoraproject Fedora, published on 10 Jan 2023. 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

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. E-Widgets does widget replacement in HTML attributes, which can lead to XSS, because widget authors often do not expect that their widget is executed in an HTML attribute context.

Weakness: CWE-79

Which versions are affected by CVE-2023-22911?

1 open source package ship an affected version, including mediawiki. It affects 2 products.

Products include Fedoraproject Fedora, Mediawiki Mediawiki.

How do I fix CVE-2023-22911?

Upgrade mediawiki to a fixed version for your release line: 1.35.9, 1.38.5 or 1.39.1.

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-2023-22911 being exploited?

There is no known exploitation of CVE-2023-22911 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-mediawiki-2023-22911, GHSA-6fwq-c2cr-jg74, UBUNTU-CVE-2023-22911.