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CVE-2011-1689

17
FAUCET Score

CVE-2011-1689 describes multiple cross-site scripting (XSS) vulnerabilities affecting various versions of Best Practical Solutions RT, specifically 2.0.0 through 3.6.10, 3.8.0 through 3.8.9, and 4.0.0rc through 4.0.0rc7. These vulnerabilities allow remote attackers to inject arbitrary web script or HTML through unspecified vectors. With a CVSS score of 4.3, this vulnerability has a network attack vector and medium attack complexity, potentially leading to information disclosure (P) but no impact on confidentiality or availability. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.0CPE matchmatch criteria
cpe:2.3:a:bestpractical:rt:2.0.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:bestpractical:rt:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:bestpractical:rt:2.0.2:*:*:*:*:*:*:*
2.0.3CPE matchmatch criteria
cpe:2.3:a:bestpractical:rt:2.0.3:*:*:*:*:*:*:*
2.0.4CPE matchmatch criteria
cpe:2.3:a:bestpractical:rt:2.0.4:*:*:*:*:*:*:*

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
2.33%
Probability of exploitation in next 30 days
EPSS Percentile
81.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0233 is in the 71st 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 (1)

redhatpatch availablevia nvd_reference
View patch

References

blog.bestpractical.com / 2011/04/security-vulnerabilities-in-rt.html
lists.bestpractical.com / pipermail/rt-announce/2011-April/000187.html
Patch
lists.bestpractical.com / pipermail/rt-announce/2011-April/000188.html
Patch
lists.bestpractical.com / pipermail/rt-announce/2011-April/000189.html
Patch
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/44189
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/66796
debian.org / security/2011/dsa-2220
securityfocus.com / bid/47383
vupen.com / english/advisories/2011/1071