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CVE-2007-6421

15
FAUCET Score

CVE-2007-6421 describes a cross-site scripting (XSS) vulnerability in the balancer-manager component of mod_proxy_balancer in Apache HTTP Server versions 2.2.0 through 2.2.6. This flaw allows authenticated remote attackers to inject arbitrary web script or HTML via specific parameters (ss, wr, rr) or the URL. With a CVSS score of 3.5, it has a low severity, requiring medium attack complexity and user authentication, primarily impacting integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:apache:http_server:-:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:apache:http_server:2.2:*:*:*:*:*:*:*
2.2.1CPE matchmatch criteria
cpe:2.3:a:apache:http_server:2.2.1:*:*:*:*:*:*:*
2.2.2CPE matchmatch criteria
cpe:2.3:a:apache:http_server:2.2.2:*:*:*:*:*:*:*
2.2.3CPE matchmatch criteria
cpe:2.3:a:apache:http_server:2.2.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.5LOW

AV:N/AC:M/Au:S/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.32%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0832 is in the 99th percentile among its peer group of 1,638 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: httpd-0:2.2.3-11.el5_1.3
View patch

Vendor Advisories (1)

redhatCVE-2007-6421Low

httpd mod_proxy_balancer cross-site scripting

Jan 2, 2008

References

docs.info.apple.com / article.html
httpd.apache.org / security/vulnerabilities_22.html
lists.apple.com / archives/security-announce/2008/Mar/msg00001.html
lists.opensuse.org / opensuse-security-announce/2008-04/msg00004.html
secunia.com / advisories/28526
secunia.com / advisories/28749
secunia.com / advisories/28977
secunia.com / advisories/29420
secunia.com / advisories/29640
securityreason.com / securityalert/3523
exchange.xforce.ibmcloud.com / vulnerabilities/39474
lists.apache.org / thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r7dd6be4dc38148704f2edafb44a8712abaa3a2be120d6c3314d55919%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r84d043c2115176958562133d96d851495d712aa49da155d81f6733be%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rc4c53a0d57b2771ecd4b965010580db355e38137c8711311ee1073a8%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10664
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8651
redhat.com / archives/fedora-package-announce/2008-February/msg00541.html
redhat.com / archives/fedora-package-announce/2008-February/msg00562.html
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2008-0008.html
redhat.com / support/errata/RHSA-2008-0009.html
securityfocus.com / archive/1/486169/100/0/threaded
securityfocus.com / bid/27236
ubuntu.com / usn/usn-575-1
vupen.com / english/advisories/2008/0048
vupen.com / english/advisories/2008/0924/references