SendPress Newsletters <= 1.23.11.6 - Missing Authorization
Strategic Overview
- Status
- Unpatched
- Affected Plugin
- SendPress Newsletters
- Affected Version
<= 1.23.11.6- CVSS
- 5.3Medium
- Weakness type
- CWE-862 · Missing Authorization
- CVE
CVE-2023-35040
At a glance
CVE-2023-35040 is a medium-severity Missing Authorization vulnerability in the SendPress Newsletters WordPress plugin, affecting versions <= 1.23.11.6. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed August 2023, reported by Kévin Mosbahi (Mika).
Vulnerability Overview
The SendPress Newsletters plugin for WordPress is vulnerable to unauthorized modification of due to a missing capability check on multiple REST routes that initiate cron execution in versions up to, and including, 1.23.11.6. This makes it possible for unauthenticated attackers to run the plugin's cron function.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.
CWE-862: Missing Authorization
Reaching this weakness in SendPress Newsletters <= 1.23.11.6 takes a caller who can reach the endpoint. A missing authorization check means a function is reachable by anyone who can reach the endpoint, because the code never asks whether the caller is allowed to perform the action.
Any user who can reach the endpoint gets to run an action reserved for higher-privileged roles, from reading protected data to changing settings or content. No fixed build of this plugin is recorded for SendPress Newsletters yet, so installs running <= 1.23.11.6 stay exposed until the vendor ships one.
Remediation
No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
How does WordSec protect against this?
Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. No patched version is recorded yet, which is the case where a filtering layer matters most, because there is nothing to update to.
- Login Security
- Alerts
External References
Related records
Other vulnerabilities in SendPress Newsletters
- 8.8CVE-2015-9448: SendPress Newsletters < 1.2 SQL Injection
CVE-2015-9448 - 6.4CVE-2023-5660: SendPress Newsletters <= 1.22.3.31 Stored XSS
CVE-2023-5660 - 6.4SendPress Newsletters < 1.20.7.13 Stored Cross-Site Scripting
- 6.1CVE-2023-47517: SendPress Newsletters <= 1.23.11.6 Reflected XSS
CVE-2023-47517 - 6.1SendPress Newsletters < 1.2 Cross-Site Scripting
- 4.4CVE-2023-41729: SendPress Newsletters <= 1.23.11.6 Stored XSS
CVE-2023-41729 - 4.3CVE-2023-41730: SendPress Newsletters <= 1.23.11.6 CSRF
CVE-2023-41730
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C