CVE-2023-3213 — The WP Mail SMTP Pro plugin for WordPress is vulnerable to unauthorized access o

The WP Mail SMTP Pro plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the is_print_page function in versions up to, and including, 3.8.0. This makes it possible for unauthenticated attackers to disclose potentially sensitive e

01What is this vulnerability?

The WP Mail SMTP Pro plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the is_print_page function in versions up to, and including, 3.8.0. This makes it possible for unauthenticated attackers to disclose potentially sensitive email information.

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: 2023-10-04T02:15:09.990
• Last modified: 2026-04-08T19:18:24.097

09References

• wpmailsmtp.com — https://wpmailsmtp.com/docs/how-to-view-recent-changes-to-the-wp-mail-smtp-plugi…
• www.wordfence.com — https://www.wordfence.com/threat-intel/vulnerabilities/id/a813251b-a4c1-4b23-ad0…
• wpmailsmtp.com — https://wpmailsmtp.com/docs/how-to-view-recent-changes-to-the-wp-mail-smtp-plugi…
• www.wordfence.com — https://www.wordfence.com/threat-intel/vulnerabilities/id/a813251b-a4c1-4b23-ad0…