Security readout for executives and security teams
Plain-English summary
CVE-2018-10305 is an access-control issue in Simple Machines Forum before 2.0.15. A flaw in private-message search could let an attacker bypass intended restrictions. The public bundle does not provide CVSS scoring, affected deployment details, exploit evidence, or a complete fix description beyond the fixed version boundary.
Executive priority
Prioritize remediation if the organization still runs SMF before 2.0.15, especially on public-facing forums. The business concern is unauthorized access to restricted message content, but urgency is constrained by incomplete public severity and exploit evidence.
Technical view
The MessageSearch2 function in PersonalMessage.php did not properly use the possible_users variable in a query. The reported result is a possible bypass of intended access restrictions. The source bundle identifies SMF before 2.0.15 and provides no CWE, CVSS vector, or exploitation prerequisites.
Likely exposure
Exposure is likely limited to deployments running Simple Machines Forum before 2.0.15. The issue is specifically tied to PersonalMessage.php and private-message search behavior. The bundle does not identify affected configurations, operating systems, authentication requirements, or whether private messaging must be enabled.
Exploitation context
The CVE is not marked as KEV, and the provided sources do not state active exploitation or public exploit availability. The phrase “might allow” indicates uncertainty in impact or conditions. Treat this as an outdated-forum exposure requiring version verification, not evidence of compromise by itself.
Researcher notes
The public record is sparse: no CVSS, CWE, exploit conditions, or detailed patch notes are present in the bundle. Analysis should stay anchored to the vulnerable function, the possible_users query handling, and the fixed-version boundary of SMF 2.0.15.
Mitigation direction
- Check whether any SMF instance is older than 2.0.15.
- Upgrade SMF to 2.0.15 or later per vendor guidance.
- Review vendor release notes for related security changes.
- Restrict forum administration and maintenance access to trusted users.
- If upgrade is delayed, assess whether private messaging can be limited.
Validation and detection
- Inventory public and internal SMF deployments.
- Confirm the running SMF version from application administration or deployment records.
- Check whether PersonalMessage.php exists in the deployed SMF codebase.
- Review access-control expectations for private message search.
- Look for vendor advisories or release notes tied to SMF 2.0.15.
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-2018-10305 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.simplemachines.org/community/index.php?topic=557176.0CVE 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.