CVE-2025-49953CWE-79cross-site-scripting

CVE-2025-49953

High · published October 22, 2025

CVSS v3.1
7.1
EPSS
0%
Percentile
13.6
In the wild
Unconfirmed
What it is

⚡ A sneaky XSS vulnerability is lurking in ShareBang for WordPress, potentially allowing attackers to unleash malicious scripts! This vulnerability is like a waiter who takes your order but doesn't check it for allergens before serving it — you could end up with a very unpleasant surprise! An attacker could exploit this weakness to inject harmful scripts directly into your users' browsers, leading to data theft, account hijacking, or even spreading malware. It’s a terrifying thought—your website could become a playground for cybercriminals, all because of a few missing checks!

Put simply

This vulnerability is like a waiter who takes your order but doesn't check it for allergens before serving it — you could end up with a very unpleasant surprise! This reflected XSS vulnerability allows attackers to execute arbitrary scripts in the context of the user’s session by injecting unsafe input into web pages generated by the ShareBang plugin.

What to do

An attacker could exploit this weakness to inject harmful scripts directly into your users' browsers, leading to data theft, account hijacking, or even spreading malware. It’s a terrifying thought—your website could become a playground for cybercriminals, all because of a few missing checks! Update ShareBang for WordPress to version 1.5 or later to patch this vulnerability. Additionally, review your site's security settings and implement input validation measures to block potential XSS attacks. Regularly audit your plugins for similar issues! You've got this! Stay proactive, and your site will be safer than ever! 🛡️

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00235 · 13.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-10-22T19:15Z
References (1)
EPSS history
Timeline
  • 22 OCT 14:32Z
    WordPress ShareBang, Ultimate Social Share Buttons for WordPress Plugin <= 1.4 - Cross Site Scripting (XSS) Vulnerability
    cvelistv5