CVE-2023-40754Public exploitNetwork attack vector

Account takeover via unverified profile changes

Published Aug 28, 2023 · Updated Oct 2, 2024

Authorization failure in PHPJabbers Car Rental Script 3.0 allows remote authenticated users to take over accounts through the Profile Page. The Profile Page applies submitted email-address or password changes without verifying that the requester is entitled to modify the account. Any user able to reach the authenticated profile interface can replace account credentials and assume the affected account's access.

CVSS severity8.8
High
EPSS probability0.96%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization failure in PHPJabbers Car Rental Script 3.0 allows remote authenticated users to take over accounts through the Profile Page. The Profile Page applies submitted email-address or password changes without verifying that the requester is entitled to modify the account. Any user able to reach the authenticated profile interface can replace account credentials and assume the affected account's access.

The record

CVE
CVE-2023-40754
Published
Aug 28, 2023
Updated
Oct 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-732, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 28, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 2, 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

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/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-732Incorrect Permission Assignment for Critical Resource
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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