The Commons Group module before 7.x-3.1 for Drupal, as used in the Commons module before 7.x-3.1, does not properly restrict access to groups, which allows remote attackers to post arbitrary content to groups via unspecified vectors.
Conclusion & alert: CVE-2013-1907 is rated Moderate Risk (52/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.91%). Core evidence: EPSS rose +2.16% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.75% | 2.91% | +2.16% |
| 2 | 2025-03-30 | 1.06% | 0.75% | -0.31% |
| 3 | 2025-03-29 | — | 1.06% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| acquia | commons | <= 7.x-3.0 | cpe:2.3:a:acquia:commons:*:*:*:*:*:*:*:* |
| acquia | commons | _group7.x-3.x | cpe:2.3:a:acquia:commons:_group7.x-3.x:dev:*:*:*:*:*:* |
| acquia | commons | 7.x-3.x | cpe:2.3:a:acquia:commons:7.x-3.x:dev:*:*:*:*:*:* |
| acquia | commons_group | <= 7.x-3.0 | cpe:2.3:a:acquia:commons_group:*:*:*:*:*:*:*:* |