CVE-2022-1609
CriticalExploitedPublic exploitThe School Management WordPress plugin before 9.9.7 contains an obfuscated backdoor injected in it's license checking code that registers a REST API handler, allowing an unauthenticated attacker to execute arbitrary PHP code on the site.
Published Jan 16, 2024 · Updated Jun 2, 2025 · Also known as 6bb0462a-e801-4aa7-a98a-c5032cb8304c
Key Facts
Patch immediately- CVE-2022-1609 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting School Management (Weblizar), school-management-pro (wordpress-plugin).
- It is exploited in the wild, listed in Industry KEV feed since May 20, 2022. Public exploit code is available.
- EPSS estimates a 64% probability of exploitation in the next 30 days.
- Fixed versions are available, including school-management-pro 9.9.7, School Management 9.9.7.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
64%
Higher than 99.2% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-1609 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
The School Management WordPress plugin before 9.9.7 contains an obfuscated backdoor injected in it's license checking code that registers a REST API handler, allowing an unauthenticated attacker to execute arbitrary PHP code on the site.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | May 20, 2022 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| School ManagementWeblizar | See advisory | 9.9.7 |
| school-management-prowordpress-plugin | See advisory | 9.9.7 |
Patched Releases
school-management-pro
9.9.7
School Management
9.9.7
Timeline
Added to Industry KEV feed
May 20, 2022
Publicly disclosed
Jan 16, 2024
Last updated
Jun 2, 2025
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
- CWE-912 Hidden Functionality
References
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/6bb0462a-e801-4aa7-a98a-c5032cb8304c?source=api-prod
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/6bb0462a-e801-4aa7-a98a-c5032cb8304c?source=api-scan
- exploitVulnCheck exploitation report
- exploithttps://wpscan.com/vulnerability/e2d546c9-85b6-47a4-b951-781b9ae5d0f2/
FAQ
Common Questions.
The School Management WordPress plugin before 9.9.7 contains an obfuscated backdoor injected in it's license checking code that registers a REST API handler, allowing an unauthenticated attacker to execute arbitrary PHP code on the site.
Affected: School Management (Weblizar); school-management-pro (wordpress-plugin). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since May 20, 2022.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including school-management-pro 9.9.7, School Management 9.9.7.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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