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Fencer Intel
critical 9.8

CVE-2022-1609 in the critical feed json

The School Management < 9.9.7 - Unauthenticated RCE via REST api

published 2y ago modified 4mo ago also EUVD-2022-24898

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
64.1%
EPSS 64.1% chance of exploitation in 30 days, percentile 99.2%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Patch / fix

  • Unknown school-management-pro 9.9.7

Is CVE-2022-1609 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

64.08% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template The School Management < 9.9.7 - Remote Code Execution nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/e2d546c9-85b6-47a4-b951-781b9ae5d0f2/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Unknown school-management-pro

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.