All vulnerabilities
CVE-2026-96649

Frontend Post Submission Manager Lite <= 1.3.4 - Unauthenticated Stored DOM-Based Cross-Site Scripting via post_content Parameter (data-label DOM Sink)

wpshuffle Frontend Post Submission Manager Lite – Guest Post and Frontend Submission Forms
Open in ThreatlineRecord JSON
CVSS
7.2High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.25%Chance of exploitation activity in the next 30 days, higher than 15% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published30 Sep 2026Updated 30 Sep 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Description

The Frontend Post Submission Manager Lite – Frontend Posting WordPress Plugin plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via post_content Parameter (data-label DOM Sink) in all versions up to, and including, 1.3.4 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. This requires the site operator to have enabled guest post submission via the [fpsm] shortcode, which registers a publicly accessible AJAX handler gated only by a nonce emitted on every page containing the shortcode.

Text from CVE List

Affected versions 1

  • Frontend Post Submission Manager Lite – Guest Post and Frontend Submission Formsaffected: all versions through 1.3.4CVE List

References 8