CVE-2021-47915Public exploitNetwork attack vector

Database compromise via unvalidated video identifier

Published Feb 1, 2026 · Updated Feb 1, 2026

SQL injection in PHP Melody 3.0's video edit module allows remote authenticated users to read or alter database data through a crafted vid parameter. The edit-video.php handler incorporates the unvalidated vid value into a database query, allowing attacker-controlled SQL syntax to reach the database. Administrator or editor permissions are required, and successful exploitation exposes database confidentiality and integrity.

CVSS severity8.6
High
EPSS probability0.55%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in PHP Melody 3.0's video edit module allows remote authenticated users to read or alter database data through a crafted vid parameter. The edit-video.php handler incorporates the unvalidated vid value into a database query, allowing attacker-controlled SQL syntax to reach the database. Administrator or editor permissions are required, and successful exploitation exposes database confidentiality and integrity.

The record

CVE
CVE-2021-47915
Published
Feb 1, 2026
Updated
Feb 1, 2026
Vendor
PHP Sugar
Product
PHP Melody
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 1, 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=3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

PHP Sugar · PHP Melodyversion=3.0

Published CVSS scores

8.1VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.6VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA: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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

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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