How severe is CVE-2016-9835?

CVE-2016-9835 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-9835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9835?

CVE-2016-9835 primarily affects Zikula Zikula Application Framework. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9835?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-9835 published?

CVE-2016-9835 was published on 2016-12-05 and last updated on 2026-06-17.

CVE-2016-9835

CVE-2016-9835 is a critical-severity vulnerability in Zikula Zikula Application Framework with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Zikula Zikula Application Framework
Published: 2016-12-05
Last modified: 2026-06-17

Description

Directory traversal vulnerability in file "jcss.php" in Zikula 1.3.x before 1.3.11 and 1.4.x before 1.4.4 on Windows allows a remote attacker to launch a PHP object injection by uploading a serialized file.

Frequently asked questions

What is CVE-2016-9835?: Directory traversal vulnerability in file "jcss.php" in Zikula 1.3.x before 1.3.11 and 1.4.x before 1.4.4 on Windows allows a remote attacker to launch a PHP object injection by uploading a serialized file.
How severe is CVE-2016-9835?: CVE-2016-9835 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-9835 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9835?: CVE-2016-9835 primarily affects Zikula Zikula Application Framework. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9835?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-9835 published?: CVE-2016-9835 was published on 2016-12-05 and last updated on 2026-06-17.

References

Affected products (24)

cpe:2.3:a:zikula:zikula_application_framework:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.4:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.5:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.6:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.7:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.8:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.9:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.10:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.3.10:rc1:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.0:rc1:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.0:rc2:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.0:rc3:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.0:rc4:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.0:rc5:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.3:rc1:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.3:rc2:*:*:*:*:*:*
cpe:2.3:a:zikula:zikula_application_framework:1.4.3:rc3:*:*:*:*:*:*

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