CVE-2013-6839

CVE-2013-6839 is a high-severity vulnerability in Instantsoft Instantcms with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Description

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].

Frequently asked questions

What is CVE-2013-6839?
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].
How severe is CVE-2013-6839?
CVE-2013-6839 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-6839 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6839?
CVE-2013-6839 affects Instantsoft Instantcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-6839?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-6839 published?
CVE-2013-6839 was published on 2013-12-13 and last updated on 2026-06-17.

References

Affected products (1)

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