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PatchSiren cyber security CVE debrief

CVE-2026-106604 YITH CVE debrief

A Cross Site Scripting (XSS) vulnerability exists in the YITH WooCommerce Compare plugin for WordPress, affecting versions up to and including 3.15.0. This issue allows for Stored XSS, potentially enabling attackers to inject malicious scripts into web pages viewed by other users. The vulnerability is due to improper neutralization of input during web page generation. Defenders should assess exposure and prioritize mitigation, including updating to version 3.15.1 or later, monitoring for suspicious activity, and implementing Content Security Policy (CSP) to reduce risk of exploitation. This vulnerability could lead to potential injection of malicious scripts, compromise of user or

Vendor
YITH
Product
YITH WooCommerce Compare
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-15
Original CVE updated
2026-10-16
Advisory published
2026-10-15
Advisory updated
2026-10-16

Who should care

Defenders responsible for WordPress installations with the YITH WooCommerce Compare plugin should assess exposure and prioritize mitigation. This includes administrators of WordPress sites using the affected plugin versions.

Why it matters

CVE-2026-106604 is a Cross Site Scripting (XSS) vulnerability in the YITH WooCommerce Compare plugin for WordPress. Defenders should care because it allows for Stored XSS, potentially enabling attackers to inject malicious scripts. Roles responsible for WordPress site security and plugin updates should assess exposure and prioritize mitigation.

  • Potential injection of malicious scripts into web pages viewed by other users
  • Possible compromise of user sessions or sensitive data
  • Required verification of plugin version and exposure
  • Prioritization of updates to mitigate vulnerability

Technical summary

The YITH WooCommerce Compare plugin for WordPress has a Stored Cross Site Scripting (XSS) vulnerability, affecting versions up to and including 3.15.0. This issue is due to improper neutralization of input during web page generation. An attacker could potentially inject malicious scripts into web pages viewed by other users.

Defensive priority

Defenders should prioritize updating the YITH WooCommerce Compare plugin to version 3.15.1 or later to mitigate this vulnerability. Additionally, monitoring for suspicious activity and implementing Content Security Policy (CSP) can help reduce the risk of exploitation.

Recommended defensive actions

  • Update YITH WooCommerce Compare plugin to version 3.15.1 or later
  • Monitor for suspicious activity related to the plugin
  • Implement Content Security Policy (CSP) to reduce risk of exploitation

Evidence notes

The CVE record and source item provide details on the vulnerability, including its existence in versions up to 3.15.0 of the YITH WooCommerce Compare plugin and the availability of a fix in version 3.15.1.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-106604 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-106604

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-106604 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-106604

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.