XSS in Apache HTTP Server
CVE-2012-4558
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.229 (97.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.229 · newest: 0.229 · change: 0.000
Affected products
- Apache HTTP Server — versions 2.2, 2.2.0, 2.2.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (vendor-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:18977 (signature, vdb-entry)
- www.securityfocus.com/bid/58165 (vdb-entry)
- httpd.apache.org/security/vulnerabilities_24.html (Vendor Advisory)
- svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c
- lists.fedoraproject.org/pipermail/package-announce/2013-April/101196.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-1209.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-0815.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-1207.html (vendor-advisory)
- httpd.apache.org/security/vulnerabilities_22.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2012-4558?
- CVE-2012-4558 is a vulnerability in Apache HTTP Server, classified under Cross-site Scripting. Published 2013-02-26.
- Is CVE-2012-4558 known to be exploited?
- 26 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.