Duplicator – WordPress Migration Plugin: Direct Request
CVE-2022-2551 is a high-severity direct request vulnerability in Duplicator – WordPress Migration Plugin, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 1.4.7 as the first without the flaw, so updating Duplicator – WordPress Migration Plugin to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 18% chance of exploitation within 30 days, which is in the top 2.76% of all scored CVEs.
EPSS places it among the vulnerabilities most likely to be exploited soon.
What to do
- Update Duplicator – WordPress Migration Plugin to 1.4.7 or a later version.
- Update Duplicator to 1.4.7 or a later version.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Duplicator – WordPress Migration Plugin | Duplicator – WordPress Migration Plugin | 1.4.7 up to, but not including, 1.4.7 | 1.4.7 |
| Awesomemotive | Duplicator | before 1.4.7 | 1.4.7 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
Official description
The Duplicator WordPress plugin before 1.4.7 discloses the url of the a backup to unauthenticated visitors accessing the main installer endpoint of the plugin, if the installer script has been run once by an administrator, allowing download of the full site backup without authenticating.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Direct Request
The web application does not adequately enforce appropriate authorization on all restricted URLs, scripts, or files.
How developers prevent this class of flaw
- Apply appropriate access control authorizations for each access to all restricted URLs, scripts or files.
- Consider using MVC based frameworks such as Struts.
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Technical write-ups (may include proof of concept)
- github.com/SecuriTrust/CVEsLab/tree/main/CVE-2022-2551Exploit, Third Party Advisory
- wpscan.com/vulnerability/f27d753e-861a-4d8d-9b9a-6c99a8a7ebe0Exploit, Third Party Advisory
Recent Direct Request vulnerabilities
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