CVE-2022-42888Network attack vector

Unauthenticated privilege escalation

Published Dec 6, 2022 · Updated Apr 28, 2026

Privilege escalation in Repute InfoSystems ARMember 5.5.1 and earlier allows remote attackers to gain elevated WordPress privileges. Patchstack and Repute InfoSystems have not published the affected endpoint, function, or incorrect authorization operation. Unauthenticated network access is sufficient, but the exact privileges and resulting actions are not publicly specified.

CVSS severity9.8
Critical
EPSS probability0.71%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in Repute InfoSystems ARMember 5.5.1 and earlier allows remote attackers to gain elevated WordPress privileges. Patchstack and Repute InfoSystems have not published the affected endpoint, function, or incorrect authorization operation. Unauthenticated network access is sufficient, but the exact privileges and resulting actions are not publicly specified.

The record

CVE
CVE-2022-42888
Published
Dec 6, 2022
Updated
Apr 28, 2026
Vendor
Repute InfoSystems
Product
ARMember
Classifications
CWE-269, CAPEC-233
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 6, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=5.5.1 changes=[{"at":"5.6","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Repute InfoSystems · ARMemberversion=n/a <=5.5.1 changes=[{"at":"5.6","status":"unaffected"}]

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.8PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
CAPEC-233Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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