CVE-2026-66711Public exploitNetwork attack vector

Subscriber-level script execution via cross-site scripting

Published Aug 6, 2026 · Updated Aug 6, 2026

Cross-site scripting in WPML Multilingual & Multicurrency for WooCommerce 5.5.6 and earlier allows remote authenticated users to run scripts. Patchstack has not disclosed the affected endpoint, input, rendering function, or whether the payload persists. Subscriber access is required, and a victim must interact with the affected output before the script executes in that victim's browser.

CVSS severity7.1
High
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in WPML Multilingual & Multicurrency for WooCommerce 5.5.6 and earlier allows remote authenticated users to run scripts. Patchstack has not disclosed the affected endpoint, input, rendering function, or whether the payload persists. Subscriber access is required, and a victim must interact with the affected output before the script executes in that victim's browser.

The record

CVE
CVE-2026-66711
Published
Aug 6, 2026
Updated
Aug 6, 2026
Vendor
OnTheGoSystems
Product
WPML Multilingual & Multicurrency for WooCommerce
Classifications
CWE-79, CAPEC-591, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=5.5.6 changes=[{"at":"5.5.7","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OnTheGoSystems · WPML Multilingual & Multicurrency for WooCommerceversion=n/a <=5.5.6 changes=[{"at":"5.5.7","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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