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CVE-2012-4543

17
FAUCET Score

CVE-2012-4543 describes multiple cross-site scripting (XSS) vulnerabilities in Red Hat Certificate System (RHCS) versions prior to 8.1.3. Attackers can inject malicious web script or HTML through the 'pageStart' or 'pageSize' parameters in the displayCRL script, or the 'nonce' variable in the profileProcess script. This vulnerability has a CVSS score of 4.3, indicating medium attack complexity and requiring no authentication, but only impacts integrity with no confidentiality or availability concerns. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.1.1CPE matchmatch criteria
cpe:2.3:a:redhat:certificate_system:*:*:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:a:redhat:certificate_system:7.1:*:*:*:*:*:*:*
7.2CPE matchmatch criteria
cpe:2.3:a:redhat:certificate_system:7.2:*:*:*:*:*:*:*
7.3CPE matchmatch criteria
cpe:2.3:a:redhat:certificate_system:7.3:*:*:*:*:*:*:*
8CPE matchmatch criteria
cpe:2.3:a:redhat:certificate_system:8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.23%
Probability of exploitation in next 30 days
EPSS Percentile
65.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0123 is in the 33rd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (3)

redhatpatch availablevia redhat_api
Product: Red Hat Certificate System 8Fixed in: pki-common-0:8.1.3-2.el5pki
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Certificate System 8Fixed in: pki-tps-0:8.1.3-2.el5pki
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: pki-core-0:9.0.3-30.el6
View patch

Vendor Advisories (1)

redhatCVE-2012-4543Moderate

System: Multiple cross-site scripting flaws by displaying CRL or processing profile

Dec 6, 2012

References

rhn.redhat.com / errata/RHSA-2012-1550.html
Vendor Advisory
rhn.redhat.com / errata/RHSA-2013-0511.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/51482
Vendor Advisory
securityfocus.com / bid/56843
securitytracker.com / id