CVE-2019-25141 — The Easy WP SMTP plugin for WordPress is vulnerable to authorization bypass in v

The Easy WP SMTP plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 1.3.9. This is due to missing capability checks on the admin_init() function, in addition to insufficient input validation. This makes it possible for unauthenticated att

01What is this vulnerability?

The Easy WP SMTP plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 1.3.9. This is due to missing capability checks on the admin_init() function, in addition to insufficient input validation. This makes it possible for unauthenticated attackers to modify the plugins settings and arbitrary options on the site that can be used to inject new administrative…

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-07T02:15:10.180
• Last modified: 2026-04-08T18:17:03.533

09References

• blog.nintechnet.com — https://blog.nintechnet.com/critical-0day-vulnerability-fixed-in-wordpress-easy-…
• plugins.trac.wordpress.org — https://plugins.trac.wordpress.org/changeset?old_path=%2Feasy-wp-smtp&old=205205…
• wordpress.org — https://wordpress.org/support/topic/vulnerability-26/
• www.wordfence.com — https://www.wordfence.com/threat-intel/vulnerabilities/id/84b75f7d-7258-46f6-aee…
• blog.nintechnet.com — https://blog.nintechnet.com/critical-0day-vulnerability-fixed-in-wordpress-easy-…
• plugins.trac.wordpress.org — https://plugins.trac.wordpress.org/changeset?old_path=%2Feasy-wp-smtp&old=205205…
• wordpress.org — https://wordpress.org/support/topic/vulnerability-26/
• www.wordfence.com — https://www.wordfence.com/threat-intel/vulnerabilities/id/84b75f7d-7258-46f6-aee…