Listdom permits unauthenticated stored cross-site scripting

Listdom through 5.8.1 does not adequately sanitize or escape the lsd[displ][style] value. On sites with Listdom Pro active and the non-default Display Options Per Listing setting enabled, an unauthenticated attacker can store script that executes when a user views the affected listing page.

CVE / CNA score 7.2 CVSS 3.1 · security@wordfence.com

NVD score Pending NVD has not published its own CVSS assessment.

Component: Listdom: AI-powered Business Directory with Classifieds Ads Listings
Plugin slug: listdom
Affected: <= 5.8.1
Safe version: See mitigation notes
Published: Sep 01, 2026
Weakness: CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Sep 01, 2026 and is one of 7 known issues for this plugin.

What to do

Update, patch or deactivate.

Update to a confirmed release newer than 5.8.1 when available. Until then, disable Display Options Per Listing or the affected add-on when warranted, remove malicious listing values, and invalidate privileged sessions if affected pages were viewed.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

The Listdom: AI-powered Business Directory with Classifieds Ads Listings plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'lsd[displ][style]' Parameter in all versions up to, and including, 5.8.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the Listdom Pro add-on to be active and the 'Display Options Per Listing' displ setting to be enabled, both of which are non-default configurations.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References

Primary and upstream sources

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