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WordPress Invoice Gateway for WooCommerce – Invoice Payment Gateway plugin <= 1.1.6 - Cross Site Scripting (XSS) vulnerability

Affects Invoice Gateway for WooCommerce (Invoice Payment Gateway) plugin version 1.1.6 and earlier. The fix is in version 1.1.7.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

7.1HighCNA
Exploited
No known exploitation
Fix
Fixed in 1.1.7
Who is exposed
Specific setups only

Do first: Check whether your setup matches what the bug needs. Plugin version 1.1.6 or earlier (vulnerable versions <= 1.1.6)

Published
Last modified
19/100 · provisional
Specific setups only
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The Invoice Gateway for WooCommerce plugin for WordPress contains a reflected cross-site scripting flaw that lets an attacker run malicious scripts in a victim's browser. The attack can be launched remotely without logging in, but it requires the victim to take an action, such as opening a crafted link.

Read the original description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rymera Web Co Invoice Gateway for WooCommerce – Invoice Payment Gateway invoice-gateway-for-woocommerce allows Reflected XSS.This issue affects Invoice Gateway for WooCommerce – Invoice Payment Gateway: from n/a through 1.1.6.

cve.now Index

19Pcve.now Index 19 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure12/25Specific setups only, reachable over the network without a login
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity7.1/10CVSS 7.1
  • No patch0/5No signal

What would change the score

  • Would score about 69 if added to CISA KEV
  • Would score about 64 if CISA's SSVC rates exploitation active

What to do

  • Check whether your setup matches what the bug needs.

    Plugin version 1.1.6 or earlier (vulnerable versions <= 1.1.6)
  • Upgrade to a fixed version: 1.1.7.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • invoice-gateway-for-woocommerce

    through 1.1.6

Evidence 1

  1. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-120856

Is CVE-2026-120856 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

What does this mean?

This is a cross-site scripting flaw, which means malicious scripts can be injected into the site. The advisory says such scripts can steal visitor data or hijack accounts.Source: patchstack.com

Which versions are affected by CVE-2026-120856?

invoice-gateway-for-woocommerce: through 1.1.6.Source: cve.now feed data

Am I affected, and how do I check?

Plugin versions 1.1.6 and earlier are affected, and the advisory does not name a specific setup. To check a installed version, look at the plugin's version number on the WordPress Plugins screen.Source: patchstack.com

How do I fix CVE-2026-120856?

Update the Invoice Gateway for WooCommerce plugin to version 1.1.7 or later, which the vendor says resolves the vulnerability.Source: patchstack.com