Topic: PunBB 1.2.23
Found new vulnerability in PunBB 1.2, it was related to a bug in the PHP "unserialize" function. It was fixed and the new version of PunBB (1.2.23) has been released! It is recommended that you update your PunBB 1.2.* installation.
Thanks to hcs for report.
Changes from 1.2.22:
Fixed vulnerability in cookie authorization via "unserialize" function.
Visit Downloads page for the PunBB 1.2.23 packages and patches. Or get the latest revision from SVN.