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Vulnerabilities

Vulnerability · CVE-2025-11821

The Woocommerce – Products By Custom Tax plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'woo_products_custom_tax' shortcode in all versions up to, and in

Published Nov 11, 2025 · catalog updated Apr 8, 2026 · Woocommerce – Products By Custom Tax

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-11821. EPSS is 0.23%. Act only if a listed version of Woocommerce – Products By Custom Tax is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Vendor / distro source
Affected products
vendor elvismdev Woocommerce – Products By Custom Tax 0 ≤2.2

The Woocommerce – Products By Custom Tax plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'woo_products_custom_tax' shortcode in all versions up to, and including, 2.2. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor elvismdev Woocommerce – Products By Custom Tax 0 ≤2.20 ≤2.2

How to fix CVE-2025-11821

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-11821. EPSS is 0.23%. Act only if a listed version of Woocommerce – Products By Custom Tax is installed.

Which versions are affected?

Compare what you have installed with elvismdev Woocommerce – Products By Custom Tax 0 ≤2.2 0 ≤2.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 11, 2025 · EUVD

    Detected

    The Woocommerce – Products By Custom Tax plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'woo_products_custom_tax' shortcode in all versions up to, and including, 2.2. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitra

  2. Apr 8, 2026 · EUVD

    Updated

    The Woocommerce – Products By Custom Tax plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'woo_products_custom_tax' shortcode in all versions up to, and including, 2.2. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitra

Sources

  • CVE.orgVulnerability recordCVE-2025-11821

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-11821

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2025-60933

    The Woocommerce – Products By Custom Tax plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'woo_products_custom_tax' shortcode in all versions up to, and including, 2.2. This is due to insufficient input sanitization and output escaping on user supplied at

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 23, 2026