CVE-2026-91073

Subscribe Forms 1.4.1 - 1.6.2 - Author+ Stored XSS via Attention Effect Form Setting

The Subscribe Forms WordPress plugin before 1.6.3 does not sanitise and escape one of its form settings before outputting it in a page, allowing authenticated users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor who views a page embedding the form, including logged-out visitors and administrators.

Affected

Subscribe Forms

CVSS v3.1 CNA

6.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

EPSS

0.24% chance of exploitation in the next 30 days, 13th percentile

Published

2026-09-23

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/50d0d5b6-2204-4af3-92d5-75085ce2f176/

References

• CVE Record
• NVD entry