WHMCS 9.0.7 and WHMCS 8.13.6 are now available as important maintenance releases for the WHMCS 9.0 and 8.13 series.
These releases address a security vulnerability which if exploited can result in unauthenticated remote code execution. There are currently no known exploits in the wild, but details that the vulnerability exists are shared.
We strongly recommend that all self-managed WHMCS customers update to the latest available version for their release series without delay.
** Recommended Action **
Self-managed WHMCS customers should update to the following version as soon as possible:
** Updating Your WHMCS Installation **
You can update your installation using the Automatic Updater within the WHMCS admin area: Utilities > Update WHMCS
For those who prefer to perform updates manually, full release packages and incremental update files are available via the WHMCS download page.
As always, please ensure you take a full backup of your system before performing any update.
Download: https://download.whmcs.com/#full
Upgrade Instructions: https://docs.whmcs.com/system/updates/updating-whmcs/
** Keeping WHMCS Current **
Maintenance releases are an important part of keeping WHMCS installations reliable, current, and supported. We recommend completing this update at your earliest opportunity.
Thank you for your continued support and for being part of the WHMCS community.
9.0 Changelog: https://docs.whmcs.com/releases/9-0/9-0-change-log/
8.13 Changelog : https://docs.whmcs.com/releases/8-13/8-13-change-log/
These releases address a security vulnerability which if exploited can result in unauthenticated remote code execution. There are currently no known exploits in the wild, but details that the vulnerability exists are shared.
We strongly recommend that all self-managed WHMCS customers update to the latest available version for their release series without delay.
** Recommended Action **
Self-managed WHMCS customers should update to the following version as soon as possible:
** Updating Your WHMCS Installation **
You can update your installation using the Automatic Updater within the WHMCS admin area: Utilities > Update WHMCS
For those who prefer to perform updates manually, full release packages and incremental update files are available via the WHMCS download page.
As always, please ensure you take a full backup of your system before performing any update.
Download: https://download.whmcs.com/#full
Upgrade Instructions: https://docs.whmcs.com/system/updates/updating-whmcs/
** Keeping WHMCS Current **
Maintenance releases are an important part of keeping WHMCS installations reliable, current, and supported. We recommend completing this update at your earliest opportunity.
Thank you for your continued support and for being part of the WHMCS community.
9.0 Changelog: https://docs.whmcs.com/releases/9-0/9-0-change-log/
8.13 Changelog : https://docs.whmcs.com/releases/8-13/8-13-change-log/