CVE-2026-81651

NextGEN Gallery < 4.5.0 - Authenticated Cross-Gallery Settings Modification via IDOR

The Photo Gallery, Sliders, Proofing and WordPress plugin before 4.5.0 does not verify that the user saving a gallery owns it, allowing any user granted its gallery-management capability by an administrator to overwrite the stored settings of any gallery on the site, including its filesystem path, and including galleries belonging to other users.

Affected

Photo Gallery, Sliders, Proofing and Themes

CVSS v3.1 CNA

3.1 LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS

0.21% chance of exploitation in the next 30 days, 10th percentile

Published

2026-09-20

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/69ccebff-414d-49bb-b914-cae87ab27f4f/

References

• CVE Record
• NVD entry