Security readout for executives and security teams
Plain-English summary
This is an old phpBB Ajax Shoutbox module flaw that could let a remote attacker make the site run attacker-controlled PHP. Business risk depends on whether legacy phpBB sites still run Ajax Shoutbox 0.0.5 or earlier. The source bundle does not confirm current exploitation.
Executive priority
Act as a targeted legacy-platform risk. It is urgent if any public phpBB site still runs this module, but likely irrelevant if the organization has no legacy phpBB footprint.
Technical view
CVE-2006-5312 describes remote file inclusion in shoutbox.php in Ajax Shoutbox 0.0.5 and earlier for phpBB. The issue involves phpbb_root_path accepting a URL, enabling arbitrary PHP code execution. Public exploit reference exists, but no CVSS, CWE, CPE, patch detail, or KEV listing is provided.
Likely exposure
Likely limited to legacy phpBB deployments with the Ajax Shoutbox 0.0.5 or earlier module still present. The source bundle lacks structured affected CPEs, so exposure must be confirmed by asset inventory and file/module inspection.
Exploitation context
Exploit-DB is cited, indicating public exploit material exists. However, the bundle does not show CISA KEV listing or any cited evidence of active exploitation. Treat internet-facing legacy phpBB systems as higher risk until checked.
Researcher notes
The evidence is sparse and old. The CVE description supports remote arbitrary PHP execution through remote file inclusion, but structured severity, affected CPEs, and remediation details are absent. Avoid assuming a patch without vendor confirmation.
Mitigation direction
- Inventory phpBB sites for Ajax Shoutbox 0.0.5 or earlier.
- Remove or disable the vulnerable module if found.
- Check project or vendor guidance for a fixed replacement.
- Prioritize internet-facing legacy forums for review.
- Monitor web logs for suspicious shoutbox.php requests.
Validation and detection
- Confirm whether shoutbox.php exists in phpBB deployments.
- Identify the installed Ajax Shoutbox module version.
- Review web server logs for requests referencing phpbb_root_path.
- Verify vulnerable files are removed, disabled, or replaced.
- Document any remaining exception and compensating controls.
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
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CVE-2006-5312 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 2532CVE reference · exploit, x_refsource_EXPLOIT-DB
- phpbb-ajax-shoutbox-file-include(29510)CVE reference · vdb-entry, x_refsource_XF
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.