CVE-2018-20148 · cross-distro fix matrix

CVE-2018-20148: In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could conduct PHP object injection attacks via crafted metadata in a wp.getMediaItem XMLRPC call. This is caused by mishandling of serialized data at phar:// URLs in the wp_get_attachment_thumb_file function in wp-includes/post.php.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-20148 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

wordpress→ fixed in5.0.1+dfsg1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wordpress
```

Debian bookworm

Source: Debian Security Tracker

wordpress→ fixed in5.0.1+dfsg1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wordpress
```

Debian trixie

Source: Debian Security Tracker

wordpress→ fixed in5.0.1+dfsg1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y wordpress
```

Are YOU affected by CVE-2018-20148?

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

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