CVE-2023-23640
WordPress MainWP UpdraftPlus Extension Plugin <= 4.0.6 - Subscriber+ Arbitrary Plugin Activation Vulnerability
Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects MainWP UpdraftPlus Extension: from n/a through 4.0.6.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
WordPress MainWP UpdraftPlus Extension Plugin <= 4.0.6 - Subscriber+ Arbitrary Plugin Activation Vulnerability
Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects MainWP UpdraftPlus Extension: from n/a through 4.0.6.
- Record
CVE-2023-23640- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2023-27727
Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects MainWP UpdraftPlus Extension: from n/a through 4.0.6.
- Record
EUVD-2023-27727- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-ghgw-m72f-xx8v
Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects...
Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects MainWP UpdraftPlus Extension: from n/a through 4.0.6.
- Record
GHSA-ghgw-m72f-xx8v- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
Missing Authorization vulnerability in MainWP MainWP UpdraftPlus Extension.This issue affects MainWP UpdraftPlus Extension: from n/a through 4.0.6.
- Record
CVE-2023-23640- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-23640 is a medium vulnerability (CVSS 5.4) in Mainwp Updraftplus Extension, published June 9, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.