CVE-2026-19723 Social Media Share Buttons & Social Sharing Icons < 3.0.1 - Reflected XSS via Pin It Share Handler
Attackers can execute arbitrary JavaScript in victim browsers via reflected XSS in the Pin It share handler, requiring specific plugin configuration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-19723?
CVE-2026-19723 is a high-severity cross-site scripting vulnerability in Unknown Social Media Share Buttons & Social Sharing Icons, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-19723?
How do I fix CVE-2026-19723?
No fix has been published for CVE-2026-19723 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-19723 being exploited?
There is no known exploitation of CVE-2026-19723 in the wild and no public exploit code.
Sources
Also known as GHSA-3qmf-g4j6-v744.