The register method in the UsersModelRegistration class in controllers/user.php in the Users component in Joomla! before 3.6.4 allows remote attackers to gain privileges by leveraging incorrect use of unfiltered data when registering on a site.
結論預警: CVE-2016-8869 綜合評估為高可利用風險(94.2/100):CVSS 技術影響為嚴重級,利用機率偏高(EPSS 97.43%,百分位 100%) 核心證據: 已收錄 3 筆公開利用參考(Exploit-DB)。 近一日 EPSS 上升 +5.42%,被利用關注度持續升高。 強制指令: 存在公開利用—請盤點暴露面、落實緩解措施並優先修補。
風險隨態勢動態變化;本站持續評估並同步更新本頁展示內容。
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| 40637 | exploit_db | edb | 2016-10-27 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS 日更估計相對被利用可能性;百分位表示該 CVE 在已評分漏洞中的相對排名(越高表示相對更嚴重)。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化(新 − 舊) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 92.00% | 97.43% | +5.42% |
| 2 | 2026-05-23 | 91.92% | 92.00% | +0.08% |
| 3 | 2026-04-07 | — | 91.92% | — |
完整 EPSS 歷史 (共 39 筆)
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| URL | 標籤 |
|---|---|
| http://www.rapid7.com/db/modules/auxiliary/admin/http/joomla_registration_privesc | Third Party Advisory |
| http://www.securityfocus.com/bid/93883 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037108 | Third Party Advisory VDB Entry |
| https://blog.sucuri.net/2016/10/details-on-the-privilege-escalation-vulnerability-in-joomla.html | Exploit Technical Description Third Party Advisory |
| https://developer.joomla.org/security-centre/660-20161002-core-elevated-privileges.html | Vendor Advisory |
| https://github.com/joomla/joomla-cms/commit/bae1d43938c878480cfd73671e4945211538fdcf | Patch |
| https://medium.com/%40showthread/joomla-3-6-4-account-creation-elevated-privileges-write-up-and-exploit-965d8fb46fa2#.rq4qh1v4r | |
| https://www.exploit-db.com/exploits/40637/ | Exploit Third Party Advisory |