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CVE-2012-6684

19
FAUCET Score

CVE-2012-6684 describes a cross-site scripting (XSS) vulnerability in RedCloth library versions 4.2.9 and earlier, impacting Debian Linux and applications using the RedCloth library. This medium-complexity vulnerability allows remote attackers to inject arbitrary web script or HTML via a javascript: URI, potentially leading to information disclosure or session hijacking. While the CVSS score is 4.3, there is no evidence of active exploitation, no known exploit code in Metasploit or ExploitDB, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.9CPE matchmatch criteria
cpe:2.3:a:redcloth:redcloth_library:*:*:*:*:*:ruby:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

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
2.25%
Probability of exploitation in next 30 days
EPSS Percentile
81.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0225 is in the 69th 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 (2)

rubygemspatch availablevia ghsa
Product: redclothFixed in: 4.3.0
redhatno patchvia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: rubygem-RedCloth

Vendor Advisories (2)

rubygemsGHSA-r23g-3qw4-gfh2medium

RedCloth Cross-site Scripting vulnerability

Oct 24, 2017
redhatCVE-2012-6684Moderate

rubygem-RedCloth: XSS vulnerability

Feb 29, 2012

References

co3k.org / blog/redcloth-unfixed-xss-en
Broken Link
jgarber.lighthouseapp.com / projects/13054-redcloth/tickets/243-xss
Third Party Advisory
seclists.org / fulldisclosure/2014/Dec/50
ExploitMailing ListThird Party Advisory
gist.github.com / co3k/75b3cb416c342aa1414c
Issue TrackingPatch
debian.org / security/2015/dsa-3168
Third Party Advisory