CVE-2025-11821
Woocommerce – Products By Custom Tax <= 2.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Woocommerce – Products By Custom Tax <= 2.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
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.
- Record
CVE-2025-11821- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-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 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.
- Record
EUVD-2025-60933- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-v2jh-xwwh-gfj8
The Woocommerce – Products By Custom Tax plugin for WordPress is vulnerable to Stored Cross-Site...
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.
- Record
GHSA-v2jh-xwwh-gfj8- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-11821- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-11821 is a medium vulnerability (CVSS 6.4) in Elvismdev Woocommerce – Products By Custom Tax, published November 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 14th percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/cbc26607-a588-4059-9a37-afede7c9e3f6?source=cve
wordpress.org/plugins/woocommerce-products-by-custom-tax
plugins.trac.wordpress.org/browser/woocommerce-products-by-custom-tax/tags/2.2/public/class-woocommerce-products-by-custom-tax-public.php
nvd.nist.gov/vuln/detail/CVE-2025-11821
github.com/advisories/GHSA-v2jh-xwwh-gfj8