WordPress security changelog
HIGH CVE-2026-19723 Deferred

Social Media Share Buttons permits reflected cross-site scripting

Social Media Share Buttons & Social Sharing Icons before 3.0.1 places a request value into an inline JavaScript event handler without adequate escaping. With a non-default icon display configuration, an attacker can craft a request whose script executes when a victim interacts with the affected button.

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
Social Media Share Buttons & Social Sharing Icons
Plugin slug
social-media-share-buttons-social-sharing-icons
Affected
< 3.0.1
Safe version
3.0.1
Published
Sep 02, 2026
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Sep 02, 2026 and is one of 6 known issues for this plugin.

Update, patch or deactivate.

Update to version 3.0.1 or later. Until updated, avoid the affected non-default icon configuration and invalidate privileged sessions if an administrator interacted with an untrusted crafted link.

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 Social Media Share Buttons & Social Sharing Icons WordPress plugin before 3.0.1 does not properly escape a value taken from the incoming request before outputting it in an inline JavaScript event handler, leading to Reflected Cross-Site Scripting which is triggered when a user interacts with the affected button. Exploitation requires the Social Media Share Buttons & Social Sharing Icons WordPress plugin before 3.0.1 to be running a non-default icon display configuration.

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