CVE-2025-3469 · cross-distro fix matrix

CVE-2025-3469: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php. This issue affects MediaWiki: before 1.39.12, 1.42.6, 1

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-3469 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

mediawiki→ fixed in1:1.35.13-1+deb11u4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mediawiki
```

Debian bookworm

Source: Debian Security Tracker

mediawiki→ fixed in1:1.39.12-1~deb12u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mediawiki
```

Debian trixie

Source: Debian Security Tracker

mediawiki→ fixed in1:1.43.1+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mediawiki
```

Are YOU affected by CVE-2025-3469?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2025-3469dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)