CSRF in Saadiqbal Post Smtp – Complete Email Deliverability And Solution With Logs, Alerts, Backup & Mobile App
CVE-2021-4422
The POST SMTP Mailer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.20. This is due to missing or incorrect nonce validation on the handleCsvExport() function. This makes it possible for unauthenticated attackers to trigger a CSV export via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (44.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/e018ca7c-06dd-4d40-91d4-4ed18… (Third Party Advisory)
- blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/ (Third Party Advisory)
- blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attack… (Third Party Advisory)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Third Party Advisory)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Third Party Advisory)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Third Party Advisory)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Third Party Advisory)
- blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-… (Third Party Advisory)
- plugins.trac.wordpress.org/changeset (Patch)
Frequently asked questions
- What is CVE-2021-4422?
- CVE-2021-4422 is a medium-severity vulnerability in Saadiqbal Post Smtp – Complete Email Deliverability And Solution With Logs, Alerts, Backup & Mobile App, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-07-12.
- How severe is CVE-2021-4422?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-4422 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.