Ubuntu USN · USN-8242-1

CiviCRM vulnerability

Published: Thu, 07 May 2026 07:47

CVE-2023-28447

Summary

CiviCRM could be made to run malicious JavaScript in the user's browser if it received specially crafted input.

Details

Takuya Aramaki discovered that Smarty, vendored in CiviCRM, did not properly escape JavaScript code. An attacker could possibly use this issue to conduct a cross-site scripting attack.

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu bionic

civicrm→4.7.30+dfsg-1ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.30+dfsg-1ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
civicrm-common→4.7.30+dfsg-1ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.30+dfsg-1ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
civicrm-l10n→4.7.30+dfsg-1ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.30+dfsg-1ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm-l10n
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
wordpress-civicrm→4.7.30+dfsg-1ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.30+dfsg-1ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y wordpress-civicrm
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu focal

civicrm→5.21.2+dfsg-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.21.2+dfsg-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm=5.21.2+dfsg-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
civicrm-common→5.21.2+dfsg-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.21.2+dfsg-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm-common=5.21.2+dfsg-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
civicrm-l10n→5.21.2+dfsg-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.21.2+dfsg-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm-l10n=5.21.2+dfsg-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
wordpress-civicrm→5.21.2+dfsg-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.21.2+dfsg-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y wordpress-civicrm=5.21.2+dfsg-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu jammy

civicrm→5.33.2+dfsg1-1ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 5.33.2+dfsg1-1ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
civicrm-common→5.33.2+dfsg1-1ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 5.33.2+dfsg1-1ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
civicrm-l10n→5.33.2+dfsg1-1ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 5.33.2+dfsg1-1ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm-l10n
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
wordpress-civicrm→5.33.2+dfsg1-1ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 5.33.2+dfsg1-1ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y wordpress-civicrm
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

Ubuntu xenial

civicrm→4.7.1+dfsg-2ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.1+dfsg-2ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
civicrm-common→4.7.1+dfsg-2ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.1+dfsg-2ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm-common
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
civicrm-l10n→4.7.1+dfsg-2ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.1+dfsg-2ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y civicrm-l10n
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
drupal7-mod-civicrm→4.7.1+dfsg-2ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.1+dfsg-2ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y drupal7-mod-civicrm
```
Most apt upgrades restart their service automatically. needrestart lists anything else.
wordpress-civicrm→4.7.1+dfsg-2ubuntu1+esm1apt_upgrade
Standard apt upgrade. Install 4.7.1+dfsg-2ubuntu1+esm1 from the apt repo.
```
sudo apt-get update
sudo apt-get install --only-upgrade -y wordpress-civicrm
```
Most apt upgrades restart their service automatically. needrestart lists anything else.

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