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WBW Product Filter CVE-2026-7804

| EUVDEUVD-2026-74601 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-09-09 Wordfence GHSA-4pxf-9mg2-jcm5
6.1
CVSS 3.1 · Vendor: Wordfence
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Severity by source

Vendor (Wordfence) PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
6.1 MEDIUM

Network-delivered reflected XSS with no attacker privileges (PR:N), mandatory victim interaction (UI:R), and browser-context scope change (S:C) with limited confidentiality/integrity impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Sep 09, 2026 - 06:22 vuln.today
CVE Published
Sep 09, 2026 - 03:28 nvd
MEDIUM 6.1

DescriptionCVE.org

The Product Filter for WooCommerce by WBW plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'wpf_fid' parameter in all versions up to, and including, 3.4.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Exploitation requires the crafted request to target a page where a filter using the vulnerable recalculation output is present.

AnalysisAI

Reflected Cross-Site Scripting in the Product Filter for WooCommerce by WBW WordPress plugin (woobewoo) allows unauthenticated network attackers to inject arbitrary JavaScript via the unsanitized 'wpf_fid' parameter. All plugin versions through 3.4.2 are affected on any WordPress/WooCommerce installation running the plugin. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Exploit
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Execution
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Persist
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Vulnerability AssessmentAI

Exploitation Three specific conditions must be met simultaneously: (1) the target WordPress site must have the WBW Product Filter plugin installed and active at version 3.4.2 or earlier; (2) the URL must point to a specific page that actively renders a product filter widget that triggers the vulnerable recalculation output - pages without this widget are not exploitable, limiting the attack surface to filter-enabled shop or category pages; (3) a victim user must click the attacker-crafted link (UI:R per CVSS). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.1 score (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) accurately captures the risk profile: exploitation is low-complexity and requires no attacker authentication, but the mandatory user-interaction requirement (UI:R) and the precondition that the targeted page must actively render the vulnerable filter widget meaningfully narrow the real-world attack surface compared to stored XSS. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update the Product Filter for WooCommerce by WBW plugin to version 3.4.3 or later - the ENISA EUVD boundary of affected versions at ≤3.4.2 implies 3.4.3 is the patched release, and a corresponding code changeset is available on the WordPress plugin Trac at https://plugins.trac.wordpress.org/changeset?reponame=&old=3686394%40woo-product-filter&new=3686394%40woo-product-filter. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-7804 vulnerability details – vuln.today

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