Cross-site scripting (XSS) vulnerability in HumHub 0.20.0-beta.1 through 0.20.1 and 1.0.0-beta before 1.0.0-beta.3 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
Conclusion & alert: CVE-2016-1229 is rated Moderate Risk (44.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.13%). 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 | 0.22% | 1.13% | +0.91% |
| 2 | 2025-08-23 | 0.25% | 0.22% | -0.03% |
| 3 | 2025-03-30 | — | 0.25% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.0 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| humhub | humhub | 0.20.0 | cpe:2.3:a:humhub:humhub:0.20.0:*:*:*:*:*:*:* |
| humhub | humhub | 0.20.0 | cpe:2.3:a:humhub:humhub:0.20.0:beta1:*:*:*:*:*:* |
| humhub | humhub | 0.20.0 | cpe:2.3:a:humhub:humhub:0.20.0:beta2:*:*:*:*:*:* |
| humhub | humhub | 0.20.1 | cpe:2.3:a:humhub:humhub:0.20.1:*:*:*:*:*:*:* |
| humhub | humhub | 1.0.0 | cpe:2.3:a:humhub:humhub:1.0.0:beta1:*:*:*:*:*:* |
| humhub | humhub | 1.0.0 | cpe:2.3:a:humhub:humhub:1.0.0:beta2:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://jvn.jp/en/jp/JVN56167268/index.html | Vendor Advisory |
| http://jvndb.jvn.jp/jvndb/JVNDB-2016-000068 | Vendor Advisory |
| https://github.com/humhub/humhub/releases/tag/v1.0.0-beta.3 | Patch |