CVE-2015-6506

Cross-site scripting (XSS) vulnerability in the cryptography interface in Request Tracker (RT) before 4.2.12 allows remote attackers to inject arbitrary web script or HTML via a crafted public key.

Published: 2015-09-03 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-6506 is rated Moderate Risk (46.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.08%). EPSS rose +1.63% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-6506

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.44% 2.08% +1.63%
2 2025-06-15 0.52% 0.44% -0.08%
3 2025-03-30 — 0.52% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-6506

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-6506

OS Trackers for CVE-2015-6506

vendor priority summary link
debian not yet assigned CVE-2015-6506 not yet assigned priority: Debian including 1 source packages (request-tracker4), 2 status rows across 2 suites (bookworm, bullseye): resolved 2. https://security-tracker.debian.org/tracker/CVE-2015-6506
ubuntu medium CVE-2015-6506 medium priority: Ubuntu including 2 source packages (request-tracker3.8, request-tracker4), 8 status rows across 4 suites (precise, trusty, upstream, vivid): DNE 3, not-affected 2, released 2, needs-triage 1. https://ubuntu.com/security/CVE-2015-6506

Affected software / configurations for CVE-2015-6506

Vendor Product Version Raw CPE
bestpractical request_tracker <= 4.2.11 cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:*

References for CVE-2015-6506

cvelogic Threat Intelligence