Coming soon and Maintenance mode <= 3.7.3 - IP Address Spoofing via get_real_ip
Strategic Overview
- Status
- Patched in 3.7.4
- Affected Plugin
- Coming soon and Maintenance mode
- Affected Version
<= 3.7.3- CVSS
- 5.3Medium
- Weakness type
- CWE-693 · Protection Mechanism Failure
- CVE
CVE-2023-49741
At a glance
CVE-2023-49741 is a medium-severity Protection Mechanism Failure vulnerability in the Coming soon and Maintenance mode WordPress plugin, affecting versions <= 3.7.3. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 3.7.4; sites on affected versions should update now. Disclosed December 2023, reported by Kévin Mosbahi (Mika).
Vulnerability Overview
The Coming soon and Maintenance mode plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 3.7.3 due to the use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for attackers to bypass the coming soon mode page and visit the full site by spoofing an allowed IP.
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-693: Protection Mechanism Failure
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
Remediation
Update to version 3.7.4, or a newer patched version
How does WordSec protect against this?
The fix is the thing that ends this: Coming soon and Maintenance mode 3.7.4 closes this, and updating the plugin is the step that ends it.
- Alerts
External References
Related records
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