WordPress security changelog
HIGH CVE-2026-16570 Deferred

NextScripts admin query parameters permit reflected XSS

NextScripts: Social Networks Auto-Poster before 4.4.8 reflects query-string parameters on an administrative page without adequate escaping. An unauthenticated attacker can trick a logged-in user, including an administrator, into opening a crafted link that executes script under the site's origin.

CVE / CNA score 7.1 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
NextScripts: Social Networks Auto-Poster
Plugin slug
nextscripts-social-networks-auto-poster
Affected
< 4.4.8
Safe version
4.4.8
Published
Aug 19, 2026
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Aug 19, 2026 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update NextScripts: Social Networks Auto-Poster to 4.4.8 or later and instruct administrators not to follow untrusted links while authenticated.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Primary and upstream sources