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Stored cross-site scripting in Noptin WordPress plugin

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Noptin newsletter-optin-box WordPress plugin by Noptin Newsletter Team, versions from n/a through 4.4.2, does not neutralize input during web page generation (CWE-79), which allows stored cross-site scripting. A remote attacker without privileges can store script that runs in a victim's browser when a user interacts with the affected page.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Noptin Newsletter Team Noptin newsletter-optin-box allows Stored XSS.This issue affects Noptin: from n/a through 4.4.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00201 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Noptin Newsletter TeamNoptinup to 4.4.2—No fix listedCNA

Remediation

The sources list no fixed version for Noptin.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

  1. 2026-11-04 Threatist record created from CVE-2026-119468
  2. 2026-11-04 CISA SSVC decision points changed
  3. 2026-11-04 Priority changed: MEDIUM → LOW
  4. 2026-11-04 Alias added: GHSA-qpcv-hp4w-gwcq

References

  • TI-2025-31786 WordPress Noptin plugin <= 3.8.7 - Cross Site Scripting (XSS) Vulnerability CVSS 3.1MEDIUM 5.9

Sources