Medium severity · published Jun 28, 2023
CVE-2023-1844
Subscribe2 <= 10.40 - Missing Authorization
4.3
CVSS
0.5%
EPSS
No
On KEV
Description
The Subscribe2 plugin for WordPress is vulnerable to unauthorized access to email functionality due to a missing capability check when sending test emails in versions up to, and including, 10.40. This makes it possible for author-level attackers to send emails with arbitrary content and attachments to site users.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
Subscribe2 – Form, Email Subscribers & Newsletters · wedevs
through 10.40 · source: vendor
SU
Subscribe2 · Subscribe2 Project
through 10.40 · source: NVD
Affected product
SF
Subscribe2 – Form, Email Subscribers & Newsletters
wedevs
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1844
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-1844
Patch
https://plugins.trac.wordpress.org/browser/subscribe2/trunk/admin/send-email.php#L12
Patch
https://plugins.trac.wordpress.org/changeset/2930676
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/c34ce601-5cf9-433f-bc9d-5c705eba6b08?source=cve
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Subscribe2 – Form, Email Subscribers & Newsletters <= 10.43 - Unauthenticated Stored Cross-Site Scripting via IP Parameter
4.3
CVE-2023-3407
Subscribe2 <= 10.40 - Cross-Site Request Forgery