Security readout for executives and security teams
Plain-English summary
PHP Melody 3.0 has an authenticated SQL injection flaw in the video edit function. A logged-in attacker could manipulate database queries through the video ID parameter, risking data theft or application compromise. This is high priority for organizations running PHP Melody 3.0, especially where contributor or admin access is broadly available.
Executive priority
Prioritize remediation if PHP Melody 3.0 is internet-facing or used by multiple content users. The issue can affect database confidentiality and integrity, but requires authentication. If PHP Melody is not used, document non-exposure and close after verification.
Technical view
CVE-2021-47915 is a CWE-89 SQL injection in PHPSUGAR PHP Melody 3.0. The reported vulnerable input is the unvalidated `vid` parameter in the edit video module. CVSS 4.0 is 8.6 high: network exploitable, low complexity, low privileges, no user interaction, with high confidentiality and integrity impact.
Likely exposure
Exposure is limited to PHP Melody version 3.0 deployments. The attacker needs an authenticated account with access to the affected video edit workflow. Public-facing sites with multiple editors, weak account controls, or exposed administration areas have higher practical risk.
Exploitation context
The source bundle includes a Vulnerability Lab advisory tagged as exploit, but CISA KEV status is false and no provided source states active exploitation. Treat this as publicly documented and potentially reproducible, not confirmed as exploited in the wild.
Researcher notes
Evidence is limited to the CVE record, Vulnerability Lab, PHPSUGAR, and VulnCheck references in the bundle. The affected scope provided is PHP Melody 3.0 only, with default status otherwise unaffected. Do not assume other versions are vulnerable without vendor or advisory confirmation.
Mitigation direction
- Check PHPSUGAR’s vulnerability report and fix guidance for PHP Melody 3.0.
- Upgrade or apply the vendor-provided fix if running the affected version.
- Restrict access to video editing and administrative functions.
- Review user accounts and remove unnecessary editor or admin privileges.
- Monitor application and database logs for suspicious edit-video activity.
Validation and detection
- Inventory PHP Melody deployments and confirm version numbers.
- Identify whether PHP Melody 3.0 is present in production or staging.
- Confirm who can access the video edit module.
- Check whether the vendor fix has been applied.
- Review logs for unusual database errors or unexpected video-edit requests.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-47915 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.6HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- Vulnerability Lab AdvisoryCVE reference · exploit
- Vulnerability Lab AdvisoryCVE reference · patch
- Product HomepageCVE reference · product
- VulnCheck Advisory: PHP Melody 3.0 SQL Injection Vulnerability via Edit Video ParameterCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.