XSS in Social Media Share Buttons & Sharing Icons

CVE-2026-19719

The Social Media Share Buttons & Social Sharing Icons WordPress plugin before 3.0.1 does not escape the post title before outputting it in an inline JavaScript event handler, allowing users with the Contributor role and above to perform Stored Cross-Site Scripting attacks which are triggered when a visitor 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 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (20.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.2% 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-2026-19719: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Social Media Share Buttons & Sharing Icons

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19719?
CVE-2026-19719 is a medium-severity vulnerability in Social Media Share Buttons & Sharing Icons, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-09-02.
How severe is CVE-2026-19719?
Medium severity. CVSS v3 base score is 6.8 out of 10.