cbcvebase.
CVE-2020-28688
published 2020-11-17

CVE-2020-28688: The add artwork functionality in ARTWORKS GALLERY IN PHP, CSS, JAVASCRIPT, AND MYSQL 1.0 allows remote attackers to upload arbitrary files.

PriorityP269high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EXPLOIT
EPSS
11.89%
95.6th percentile
The add artwork functionality in ARTWORKS GALLERY IN PHP, CSS, JAVASCRIPT, AND MYSQL 1.0 allows remote attackers to upload arbitrary files.

Affected

1 ranges
VendorProductVersion rangeFixed in
artworks_gallery_in_php_css_javascript_and_mysql_projectartworks_gallery_in_php_css_javascript_and_mysql

Detection & IOCsextracted from sources · hover to see the quote

pathpictures/arts/
  • Authenticated arbitrary file upload via the 'Add an Artwork' functionality — monitor for non-image file types (e.g., .php) being uploaded to the artwork upload endpoint
  • Uploaded webshells are accessible under the 'pictures/arts/' directory; alert on HTTP requests (GET/POST) to files with executable extensions (e.g., .php) under this path
  • The exploit requires prior authentication (artist account); correlate suspicious file uploads with newly registered or low-activity artist accounts
  • ·Exploit was tested specifically on Windows 10 with XAMPP Server; detection logic and path separators may differ on Linux-based deployments
  • ·The vulnerability affects version 1.0 only; verify the installed version before applying detections

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.09.0CRITICALAV:N/AC:L/Au:S/C:C/I:C/A:C
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