CVE-2021-4337: Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

high Affects add-product-tabs (WordPress plugin), autopilot-seo (WordPress plugin), bulk-add-to-cart (WordPress plugin), comment-and-review-spam-control (WordPress plugin), floating-cart (WordPress plugin), improved-product-options (WordPress plugin) and 10 more. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
add-product-tabs (WordPress plugin) WordPress
Affected versions
<1.5.0
Fixed in
1.5.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
autopilot-seo (WordPress plugin) WordPress
Affected versions
<1.6.0
Fixed in
1.6.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
bulk-add-to-cart (WordPress plugin) WordPress
Affected versions
<1.3.0
Fixed in
1.3.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
comment-and-review-spam-control (WordPress plugin) WordPress
Affected versions
<1.5.0
Fixed in
1.5.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
floating-cart (WordPress plugin) WordPress
Affected versions
<1.3.0
Fixed in
1.3.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
improved-product-options (WordPress plugin) WordPress
Affected versions
<5.3.0
Fixed in
5.3.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
improved-sale-badges (WordPress plugin) WordPress
Affected versions
<4.4.0
Fixed in
4.4.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
live-product-editor (WordPress plugin) WordPress
Affected versions
<4.7.0
Fixed in
4.7.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
live-search (WordPress plugin) WordPress
Affected versions
<2.1.0
Fixed in
2.1.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
package-quantity (WordPress plugin) WordPress
Affected versions
<1.2.0
Fixed in
1.2.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
price-commander (WordPress plugin) WordPress
Affected versions
<1.3.0
Fixed in
1.3.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
product-filter (WordPress plugin) WordPress
Affected versions
<8.2.0
Fixed in
8.2.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
product-loops (WordPress plugin) WordPress
Affected versions
<1.7.0
Fixed in
1.7.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
share\,-print-and-pdf-products (WordPress plugin) WordPress
Affected versions
<2.8.0
Fixed in
2.8.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
warranties-and-returns (WordPress plugin) WordPress
Affected versions
<5.3.0
Fixed in
5.3.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

Sixteen XforWooCommerce Add-On Plugins for WordPress are vulnerable to authorization bypass due to a missing capability check on the wp_ajax_svx_ajax_factory function in various versions listed below.

Package
xforwoocommerce (WordPress plugin) WordPress
Affected versions
<1.7.0
Fixed in
1.7.0
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (69.8th percentile)
Published
2023-06-07
Source
nvd

References

CWE-862
NVD recordadd-product-tabs (WordPress plugin) advisoriesautopilot-seo (WordPress plugin) advisoriesbulk-add-to-cart (WordPress plugin) advisoriescomment-and-review-spam-control (WordPress plugin) advisoriesfloating-cart (WordPress plugin) advisoriesimproved-product-options (WordPress plugin) advisories

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