The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.0.1 via form field submissions. This is due to insufficient input sanitization in the lfb_lead_sanitize() function which omits certain field types from its sanitization whitelist, combined with an overly permissive wp_kses() filter at output time that allows onclick attributes on anchor tags. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever an administrator views the lead entries in the WordPress dashboard.
CVE-2026-1454
Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-03-11. NVD baseline CVSS 7.2; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.2
- EG Score
- 7.2(medium)
- EG Risk
- 47(Track)EG Risk 47/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity72% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 15%
- KEV
- Not listed
Published
March 11, 2026
Last Modified
June 17, 2026
References (4)
- security@wordfencehttps://plugins.trac.wordpress.org/browser/lead-form-builder/tags/2.0.1/inc/ajax-functions.php#L587
- security@wordfencehttps://plugins.trac.wordpress.org/browser/lead-form-builder/tags/2.0.1/inc/show-lead.php#L13
- security@wordfencehttps://plugins.trac.wordpress.org/changeset/3462549/
- security@wordfencehttps://www.wordfence.com/threat-intel/vulnerabilities/id/f5863132-90a7-414f-abcb-e8b6a9d229c5?source=cve
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 35× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 117 total refreshes for this CVE.
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Frequently asked(5)
What is CVE-2026-1454?
When was CVE-2026-1454 disclosed?
Is CVE-2026-1454 actively exploited?
What is the CVSS score of CVE-2026-1454?
How do I remediate CVE-2026-1454?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-1454
Is Your Infrastructure Affected by CVE-2026-1454?
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