How severe is CVE-2016-6565?

CVE-2016-6565 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-6565 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6565?

CVE-2016-6565 affects Imagely Nextgen Gallery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6565?

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-2016-6565 published?

CVE-2016-6565 was published on 2018-07-13 and last updated on 2026-06-17.

CVE-2016-6565

CVE-2016-6565 is a high-severity vulnerability in Imagely Nextgen Gallery with a CVSS 3.x 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.0
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Imagely Nextgen Gallery
Published: 2018-07-13
Last modified: 2026-06-17

Description

The Imagely NextGen Gallery plugin for Wordpress prior to version 2.1.57 does not properly validate user input in the cssfile parameter of a HTTP POST request, which may allow an authenticated user to read arbitrary files from the server, or execute arbitrary code on the server in some circumstances (dependent on server configuration).

Frequently asked questions

What is CVE-2016-6565?: The Imagely NextGen Gallery plugin for Wordpress prior to version 2.1.57 does not properly validate user input in the cssfile parameter of a HTTP POST request, which may allow an authenticated user to read arbitrary files from the server, or execute arbitrary code on the server in some circumstances (dependent on server configuration).
How severe is CVE-2016-6565?: CVE-2016-6565 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-6565 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6565?: CVE-2016-6565 affects Imagely Nextgen Gallery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6565?: 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-2016-6565 published?: CVE-2016-6565 was published on 2018-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:imagely:nextgen_gallery:*:*:*:*:*:wordpress:*:*

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