XSS in Social Media Share Buttons & Sharing Icons

CVE-2026-19723

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (7.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-19723: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Social Media Share Buttons & Sharing Icons

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19723?
CVE-2026-19723 is a high-severity vulnerability in Social Media Share Buttons & Sharing Icons, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-09-02.
How severe is CVE-2026-19723?
High severity. CVSS v3 base score is 7.1 out of 10.