class.showtime2_image.php in CMS Made Simple (CMSMS) before 2.2.10 does not ensure that a watermark file has a standard image file extension (GIF, JPG, JPEG, or PNG).
Add your gear to cvedb and we'll alert you only when cmsmadesimple ships something exploited.
Check my exposure →This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.