CVE-2013-6839

Exp

SQL injection vulnerability in InstantSoft InstantCMS 1.10.3 and earlier allows remote attackers to execute arbitrary SQL commands via the orderby parameter to catalog/[id].

Published: 2013-12-13 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6839 is rated High Exploit Risk (68/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.49%). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2013-6839

EDB-ID Source Kind Published Link
30398 exploit_db edb 2013-12-17 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-6839

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 2026-02-20 0.23% 0.49% +0.25%
2 2025-07-29 0.34% 0.23% -0.11%
3 2025-03-30 — 0.34% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6839

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2013-6839

Affected software / configurations for CVE-2013-6839

Vendor Product Version Raw CPE
instantsoft instantcms <= 1.10.3 cpe:2.3:a:instantsoft:instantcms:*:*:*:*:*:*:*:*

References for CVE-2013-6839

cvelogic Threat Intelligence