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WordPress plugin

Welcome Email Editor <= 5.0.5 — Missing Authorization via ajax_handler

CVE-2023-47756Published · Updated

Action summary

Affected: ≤5.0.5Update to 5.0.6 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Swift SMTP (formerly Welcome Email Editor) welcome-email-editor

  1. Affected≤ 5.0.5
  2. Patched in5.0.6

Update to 5.0.6 or newer.

You are affected if you run ≤ 5.0.5. Version 5.0.6 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Swift SMTP (formerly Welcome Email Editor).
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 5.0.6, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Swift SMTP (formerly Welcome Email Editor) to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Abdi Pranata.

The Welcome Email Editor plugin for WordPress is vulnerable to unauthorized email sending due to a missing capability check on the ajax_handler function in versions up to, and including, 5.0.5. This makes it possible for authenticated attackers, with subscriber-level access and above, to send a variety of emails.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Swift SMTP (formerly Welcome Email Editor)

All 2
More vulnerabilities in Swift SMTP (formerly Welcome Email Editor)
SeverityVulnerabilityCVEPublished
Medium4.3Cross-Site Request Forgery
≤5.0.6Update to 5.0.7
—

Same weakness (Missing Authorization)

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Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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