CVE-2024-30516Network attack vector

Unauthenticated booking price manipulation

Published Jan 5, 2026 · Updated Jan 5, 2026

Price manipulation in MASAAKI TANAKA Booking Package 1.6.27 and earlier allows remote attackers to alter booking prices. The CNA identifies improper validation of a specified quantity but does not disclose the request parameter, code locus, or calculation that accepts the untrusted price. No authentication or user interaction is required, and the documented consequence is limited to booking-price integrity; no confidentiality or availability impact is reported.

CVSS severity7.5
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Price manipulation in MASAAKI TANAKA Booking Package 1.6.27 and earlier allows remote attackers to alter booking prices. The CNA identifies improper validation of a specified quantity but does not disclose the request parameter, code locus, or calculation that accepts the untrusted price. No authentication or user interaction is required, and the documented consequence is limited to booking-price integrity; no confidentiality or availability impact is reported.

The record

CVE
CVE-2024-30516
Published
Jan 5, 2026
Updated
Jan 5, 2026
Vendor
MASAAKI TANAKA
Product
Booking Package
Classifications
CWE-1284, CAPEC-1, T1565.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 5, 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 <=1.6.27 changes=[{"at":"1.6.29","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MASAAKI TANAKA · Booking Packageversion=n/a <=1.6.27 changes=[{"at":"1.6.29","status":"unaffected"}]

Published CVSS scores

7.5PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1284Improper Validation of Specified Quantity in Input
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1565.002Transmitted Data Manipulation

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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