CVE-2023-36139Public exploitNetwork attack vector

Account takeover via unchallenged credential changes

Published Aug 3, 2023 · Updated Oct 17, 2024

Authentication weakness in PHPJabbers Cleaning Business Software 1.0 allows remote attackers to take over accounts through profile changes. The Profile page changes the account email address, which serves as the username, or the password without requiring a security challenge or reauthentication. Exploitation requires access to an authenticated session, such as a stolen token or unattended logged-in browser, and can lock the original owner out.

CVSS severity9.8
Critical
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication weakness in PHPJabbers Cleaning Business Software 1.0 allows remote attackers to take over accounts through profile changes. The Profile page changes the account email address, which serves as the username, or the password without requiring a security challenge or reauthentication. Exploitation requires access to an authenticated session, such as a stolen token or unattended logged-in browser, and can lock the original owner out.

The record

CVE
CVE-2023-36139
Published
Aug 3, 2023
Updated
Oct 17, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-345, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 17, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-345Insufficient Verification of Data Authenticity
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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