CVE-2026-16570

NextScripts: Social Networks Auto-Poster < 4.4.8 - Reflected XSS via Facebook OAuth Callback

The NextScripts: Social Networks Auto-Poster WordPress plugin before 4.4.8 does not escape some of the query-string parameters it reflects back on one of its admin pages, allowing attackers to perform Reflected Cross-Site Scripting attacks against logged-in users such as administrators who are tricked into opening a crafted link.

Affected

NextScripts: Social Networks Auto-Poster

CVSS v3.1 CNA

7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS

0.25% chance of exploitation in the next 30 days, 16th percentile

Published

2026-08-19

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/25c42ca3-ff25-4b43-a712-2876398d82ab/

References

• CVE Record
• NVD entry