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Pie Register <= 3.8.4.16 - Unauthenticated Stored Cross-Site Scripting via 'first_name' Parameter via Comment Avatar

7.2HighCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
0.30% · 22nd percentile
29/100 · provisional
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The Pie Register user registration plugin for WordPress has a stored cross-site scripting flaw in all versions up to and including the latest affected release. An attacker can remotely, without logging in, plant malicious scripts that run in the browsers of visitors who view the affected pages.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

The Pie Register – User Registration, Profiles & Content Restriction plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'first_name' parameter in all versions up to, and including, 3.8.4.16 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 is exploitable when public registration is enabled and the registration form includes a Profile Picture field; the attacker registers via the publicly accessible form (nonce is emitted to unauthenticated visitors) to store the payload, then logs in as the newly created Subscriber to post a comment that triggers delivery to all page visitors.

cve.now Index

29Pcve.now Index 29 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure17/25No login or user action needed per the CVSS vector, reachable over the network without a login · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity7.2/10CVSS 7.2
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 74 if added to CISA KEV
  • Would score about 69 if CISA's SSVC rates exploitation active
  • Would score about 34 if advisories confirm default setups are exposed

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • genetechproducts Pie Register – User Registration, Profiles & Content Restriction

    through 3.8.4.16

Evidence 5

  1. Link
  2. Link
  3. Link
  4. Link
  5. Link

Corrections

None so far.

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Questions about CVE-2026-119158

Is CVE-2026-119158 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-119158?

Pie Register – User Registration, Profiles & Content Restriction: through 3.8.4.16.Source: cve.now feed data