CVE-2016-6565

Q: How do I fix CVE-2016-6565?

Upgrade nextgen gallery to 2.1.57 or later.

Q: Is CVE-2016-6565 being actively exploited?

Not that we know of. CVE-2016-6565 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 83% of all scored CVEs.

Q: How severe is CVE-2016-6565?

CVE-2016-6565 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2016-6565 affect?

Published advisories record a fix for nextgen gallery (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHEPSS 83th pctl

7.5

CVSS v3

NVD

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).

CWE-98 CWE-20Improper Input Validation

How to fix

Remediation Available

nextgen galleryNVD

Affected:< 2.1.57Fixed in:2.1.57CVE-2016-6565derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.54%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-98 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-5762	High	8.1	72%	-	-
CVE-2023-49084	High	8.0	64%	-	Fix
CVE-2023-2249	High	8.8	61%	-	-
CVE-2023-6989	Critical	9.8	57%	-	Fix
CVE-2025-4380	High	8.1	37%	-	-
CVE-2022-4606	Critical	9.8	35%	-	-

Common questions

How do I fix CVE-2016-6565?

Upgrade nextgen gallery to 2.1.57 or later.

Is CVE-2016-6565 being actively exploited?

Not that we know of. CVE-2016-6565 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 83% of all scored CVEs.

How severe is CVE-2016-6565?

CVE-2016-6565 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2016-6565 affect?

Published advisories record a fix for nextgen gallery (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2016-6565

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.