SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-1609

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.

CRITICAL 9.8EPSS 64.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 64.1%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
64.08% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-94
Affected
weblizar/school management
Source
contact@wpscan.com
EPSS trend
0%33%65%3 November 2026: 64.08%3 November 20263 November 2026

EPSS 64.1% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.