WebStack <= 1.2024 - Unauthenticated Arbitrary File Upload
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.8epss 1.0%
from disclosure to weapon54 days
Published on NVDApr 15
1st PoC+54d
exploitation probability
1.0%top 41% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
The WebStack theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the io_img_upload() function in all versions up to, and including, 1.2024. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Owen · WebStackpublic PoCs found — 2
githubgithub.com/willygailo/WG-CVE-2026-1555-Linux★ 0githubgithub.com/webshellseo8/CVE-2026-1555-POC★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.