Security readout for executives and security teams
Plain-English summary
CVE-2011-0544 is a cross-site scripting issue in phpBB 3.0.x through 3.0.6 involving the [flash] BB tag. An affected forum could expose users or administrators to script execution in their browser. The provided sources do not give a CVSS score, confirmed fix version, or active exploitation evidence.
Executive priority
Handle as legacy internet-facing software risk. It is not KEV-listed and lacks severity scoring in the bundle, so prioritize based on exposure: public affected forums should be remediated promptly; internal or retired systems are lower urgency.
Technical view
The vulnerability is described as XSS in phpBB 3.0.x-3.0.6 through handling of the [flash] BBCode tag. The bundle does not clarify whether exploitation is stored or reflected, what privileges are required, or which vendor release first fixed it.
Likely exposure
Exposure is limited to legacy phpBB 3.0.x through 3.0.6 deployments, especially public forums where untrusted users can submit BBCode content. Modern phpBB versions are not identified as affected in the provided bundle.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not marked KEV. XSS impact can include session theft, user impersonation, or malicious actions in a victim browser, but exact exploitability is not detailed here.
Researcher notes
Evidence is sparse. The CVE text identifies product range and vector only. Avoid claiming fixed versions, exploit maturity, or package impact beyond the listed trackers unless verified from vendor or distribution advisories.
Mitigation direction
- Inventory phpBB installations and identify any 3.0.x through 3.0.6 instances.
- Check phpBB and distribution guidance for the correct supported upgrade or configuration mitigation.
- If affected, prioritize upgrade or retirement of the legacy forum software.
- Restrict untrusted BBCode or Flash tag use while awaiting vendor-confirmed remediation.
Validation and detection
- Confirm phpBB version from application admin records or package inventory.
- Review forum configuration for BBCode and [flash] tag availability.
- Check Debian and Red Hat trackers for package-specific status before assuming exposure.
- Review web logs and moderation queues for suspicious Flash BBCode content.
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.
CVE-2011-0544 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
- 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
- https://security-tracker.debian.org/tracker/CVE-2011-0544CVE reference · x_refsource_MISC
- https://access.redhat.com/security/cve/cve-2011-0544CVE reference · x_refsource_MISC
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.