Security readout for executives and security teams
Plain-English summary
Phorum versions before 5.2.18 have a cross-site scripting flaw on the admin login screen. If an organization still runs this legacy forum software, an attacker may be able to make browser-executed script run in an administrator-facing context. The source bundle does not provide CVSS scoring, exploit details, or confirmed active exploitation.
Executive priority
Prioritize this for environments that still run legacy Phorum. The business risk is concentrated in administrator-facing browser compromise, but urgency cannot be scored confidently from the provided sources alone.
Technical view
CVE-2011-3622 is an XSS vulnerability in the Phorum admin login screen affecting Phorum before 5.2.18. The public metadata does not identify a CWE, CVSS vector, required user interaction, authentication state, or exact input handling failure. Treat exposure as version- and route-dependent.
Likely exposure
Exposure is most likely for public or internally reachable Phorum installations running versions before 5.2.18, particularly where the admin login screen is accessible to untrusted users.
Exploitation context
The bundle does not show CISA KEV listing, active exploitation, or a public exploit status. XSS risk generally depends on attacker control of rendered input and administrator browser interaction, but those specifics are not evidenced here.
Researcher notes
The available record is sparse: affected product and version boundary are clear, but root cause, sink/source, CVSS, and exploit preconditions are not. Validate by version and vendor advisory rather than attempting offensive reproduction.
Mitigation direction
- Upgrade Phorum to 5.2.18 or later where still deployed.
- Check Phorum vendor guidance and release notes for the definitive fix details.
- Restrict access to the admin login screen to trusted networks or users.
- Inventory legacy forum deployments and retire unsupported instances where possible.
Validation and detection
- Identify all Phorum instances and record their installed version.
- Confirm no deployed instance is older than Phorum 5.2.18.
- Verify admin login pages are not broadly exposed unnecessarily.
- Review web logs for suspicious requests to Phorum admin login routes.
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-2011-3622 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://www.openwall.com/lists/oss-security/2011/10/18/9CVE reference · x_refsource_MISC
- https://www.phorum.org/phorum5/read.php?64%2C149588CVE 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.