The ornamental design for a cordsecuringsystem, as shown and described.
FIG. 1 is a perspective view of a cord securing system.
FIG. 2 is a front view of a cord securing system.
FIG. 3 is a back view of a cord securing system.
FIG. 4 is a left side view of a cord securing system.
FIG. 5 is a right side view of a cord securing system.
FIG. 6 is a top view of a cord securing system; and,
FIG. 7 is a bottom view of a cord securing system.
The broken lines showing features of the cord securing system are for the purposes of illustrating the environmental structure and forms no part of the claimed design.