CVE-2023-4650Public exploitNetwork attack vector

Administrator account takeover via cross-profile password change

Published Aug 31, 2023 · Updated Oct 1, 2024

Improper access control in InstantCMS 2 before 2.16.1-git allows remote authenticated administrators to change another administrator's password. The profile_edit_password action authorized edits to another administrator's profile without rejecting administrator targets. Administrator access and another administrator's profile are required, and exploitation enables account takeover and session termination.

CVSS severity4.7
Medium
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in InstantCMS 2 before 2.16.1-git allows remote authenticated administrators to change another administrator's password. The profile_edit_password action authorized edits to another administrator's profile without rejecting administrator targets. Administrator access and another administrator's profile are required, and exploitation enables account takeover and session termination.

The record

CVE
CVE-2023-4650
Published
Aug 31, 2023
Updated
Oct 1, 2024
Vendor
InstantCMS Team
Product
InstantCMS 2
Classifications
CWE-284, T1098
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 31, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 1, 2024Record 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=unspecified <2.16.1-git

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

InstantCMS Team · InstantCMS 2version=unspecified <2.16.1-git

Published CVSS scores

4.7NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
4.7huntr.devCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
T1098Account Manipulation

Public exploit references

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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