webMAN MOD received an update to support CFW 4.81 from developer aldostools, The plugin for PlayStation 3 Custom Firmware user's also seen a few tweaks for supporting DeViL303's webMAN...
webMAN MOD 1.45.02 - Added Support for 4.81 CFW
webMAN MOD 1.45.02 - Added Support for 4.81 CFW