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WordPress Welcart e-Commerce plugin <= 2.12.6 - Cross Site Scripting (XSS) vulnerability

7.1HighCNA
Exploited
No known exploitation
Fix
Fixed in 2.12.7
Who is exposed
Specific setups only

Do first: Check whether your setup matches what the bug needs. Welcart e-Commerce plugin version 2.12.6 or earlier

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 Welcart e-Commerce WordPress plugin, which runs online shops through the usc-e-shop component, contains a stored cross-site scripting flaw. An attacker can reach it remotely without logging in, but a user must take an action, such as opening a crafted page, for the malicious script to run in their browser.

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

Read the original description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Welcart Welcart e-Commerce usc-e-shop allows Stored XSS.This issue affects Welcart e-Commerce: from n/a through 2.12.6.

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.

    Welcart e-Commerce plugin version 2.12.6 or earlier
  • Upgrade to a fixed version: 2.12.7.

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

  • usc-e-shop

    through 2.12.6

Evidence 1

  1. Link

Corrections

None so far.

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

Questions about CVE-2026-119505

Is CVE-2026-119505 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?

The plugin does not properly sanitize some input, so an attacker can inject malicious scripts that run in visitors' browsers. According to the advisory, these scripts can steal visitor data or hijack accounts.Source: patchstack.com

Which versions are affected by CVE-2026-119505?

usc-e-shop: through 2.12.6.Source: cve.now feed data

Am I affected, and how do I check?

Welcart e-Commerce plugin version 2.12.6 and earlier are affected for WordPress sites. To check, look at the plugin version listed on the WordPress Plugins screen or in the plugin's header in the Welcart e-Commerce folder.Source: patchstack.com

How do I fix CVE-2026-119505?

Update the Welcart e-Commerce plugin to version 2.12.7 or later, which the advisory says resolves the vulnerability.Source: patchstack.com