LibreBooking's email template editor save action passes the submitted template name directly into the destination file path, allowing a remote attacker with administrator credentials to write an arbitrary file outside the template directory and execute code. Fixed in 5.1.0.
The CVSS severity warrants an early asset and exposure review.
LibreBooking's email template editor save action passes the submitted template name directly into the destination file path, allowing a remote attacker with administrator credentials to write an arbitrary file outside the template directory and execute code. Fixed in 5.1.0.
Confirm exposure before applying a vendor-supported change.
Confirm that LibreBooking and an affected version are present.
Combine exploitation signals with asset exposure and business criticality.
Follow the vendor advisory or supported update path and preserve rollback options.
Recheck the version, service health, access paths, and relevant logs.
