Multiple cross-site scripting (XSS) vulnerabilities in the balancer_handler function in the manager interface in mod_proxy_balancer.c in the mod_proxy_balancer module in the Apache HTTP Server 2.2.x before 2.2.24-dev and 2.4.x before 2.4.4 allow remote attackers to inject arbitrary web script or HTML via a crafted string.
结论预警: CVE-2012-4558 综合评估为中等风险（46.3/100）：CVSS 技术影响为中级，利用概率偏高（EPSS 22.91%，百分位 97%） 核心证据: EPSS 显示该漏洞近期被利用的可能性处于高位。 强制指令: 被利用概率偏高—请排查暴露面并优先安排修补。
风险随态势动态变化；本站持续评估并同步更新本页展示内容。
EPSS 日更估计相对被利用可能性；百分位表示该 CVE 在已评分漏洞中的相对排名（越高表示相对更严重）。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 58.22% | 22.91% | -35.31% |
| 2 | 2026-05-11 | 58.48% | 58.22% | -0.26% |
| 3 | 2026-05-02 | — | 58.48% | — |
完整 EPSS 历史 （共 45 条）
该 CVE 的 CVSS 指标。
| 底座分 | 版本 | 严重度 | 向量 | 可利用性 | 影响 | 分数来源 |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2012-4558 low priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2012-4558 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2012-4558 |
ubuntu
|
medium | CVE-2012-4558 medium priority: Ubuntu including 1 source packages (apache2), 6 status rows across 6 suites (hardy, lucid, oneiric, precise, quantal, upstream): released 6. | https://ubuntu.com/security/CVE-2012-4558 |
| 厂商 | 产品 | 版本 | 原始 CPE |
|---|---|---|---|
| apache | http_server | 2.2 | cpe:2.3:a:apache:http_server:2.2:*:*:*:*:*:*:* |
| apache | http_server | 2.2.0 | cpe:2.3:a:apache:http_server:2.2.0:*:*:*:*:*:*:* |
| apache | http_server | 2.2.1 | cpe:2.3:a:apache:http_server:2.2.1:*:*:*:*:*:*:* |
| apache | http_server | 2.2.2 | cpe:2.3:a:apache:http_server:2.2.2:*:*:*:*:*:*:* |
| apache | http_server | 2.2.3 | cpe:2.3:a:apache:http_server:2.2.3:*:*:*:*:*:*:* |
| apache | http_server | 2.2.4 | cpe:2.3:a:apache:http_server:2.2.4:*:*:*:*:*:*:* |
| apache | http_server | 2.2.6 | cpe:2.3:a:apache:http_server:2.2.6:*:*:*:*:*:*:* |
| apache | http_server | 2.2.8 | cpe:2.3:a:apache:http_server:2.2.8:*:*:*:*:*:*:* |
| apache | http_server | 2.2.9 | cpe:2.3:a:apache:http_server:2.2.9:*:*:*:*:*:*:* |
| apache | http_server | 2.2.10 | cpe:2.3:a:apache:http_server:2.2.10:*:*:*:*:*:*:* |
| apache | http_server | 2.2.11 | cpe:2.3:a:apache:http_server:2.2.11:*:*:*:*:*:*:* |
| apache | http_server | 2.2.12 | cpe:2.3:a:apache:http_server:2.2.12:*:*:*:*:*:*:* |
| apache | http_server | 2.2.13 | cpe:2.3:a:apache:http_server:2.2.13:*:*:*:*:*:*:* |
| apache | http_server | 2.2.14 | cpe:2.3:a:apache:http_server:2.2.14:*:*:*:*:*:*:* |
| apache | http_server | 2.2.15 | cpe:2.3:a:apache:http_server:2.2.15:*:*:*:*:*:*:* |
| apache | http_server | 2.2.16 | cpe:2.3:a:apache:http_server:2.2.16:*:*:*:*:*:*:* |
| apache | http_server | 2.2.17 | cpe:2.3:a:apache:http_server:2.2.17:*:*:*:*:*:*:* |
| apache | http_server | 2.2.18 | cpe:2.3:a:apache:http_server:2.2.18:*:*:*:*:*:*:* |
| apache | http_server | 2.2.19 | cpe:2.3:a:apache:http_server:2.2.19:*:*:*:*:*:*:* |
| apache | http_server | 2.2.20 | cpe:2.3:a:apache:http_server:2.2.20:*:*:*:*:*:*:* |
| apache | http_server | 2.2.21 | cpe:2.3:a:apache:http_server:2.2.21:*:*:*:*:*:*:* |
| apache | http_server | 2.2.22 | cpe:2.3:a:apache:http_server:2.2.22:*:*:*:*:*:*:* |
| apache | http_server | 2.2.23 | cpe:2.3:a:apache:http_server:2.2.23:*:*:*:*:*:*:* |
| apache | http_server | 2.4.0 | cpe:2.3:a:apache:http_server:2.4.0:*:*:*:*:*:*:* |
| apache | http_server | 2.4.1 | cpe:2.3:a:apache:http_server:2.4.1:*:*:*:*:*:*:* |
| apache | http_server | 2.4.2 | cpe:2.3:a:apache:http_server:2.4.2:*:*:*:*:*:*:* |
| apache | http_server | 2.4.3 | cpe:2.3:a:apache:http_server:2.4.3:*:*:*:*:*:*:* |