No exploitation reported

CVE-2016-6174

No exploitation reported by the sources we read.

Published2016-07-12

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

applications/core/modules/front/system/content.php in Invision Power Services IPS Community Suite (aka Invision Power Board, IPB, or Power Board) before 4.1.13, when used with PHP before 5.4.24 or 5.5.x before 5.5.8, allows remote attackers to execute arbitrary code via the content_class parameter.

Timeline

dates in UTC

2016-07-1219:59CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-6174?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-6174?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

PHP

Branch	Affected	Fixed in	Source
5.4	≤ 5.4.23	no fix published	NVD
5.5	= 5.5.0	no fix published	NVD
5.5	= 5.5.1	no fix published	NVD
5.5	= 5.5.2	no fix published	NVD
5.5	= 5.5.3	no fix published	NVD
5.5	= 5.5.4	no fix published	NVD
5.5	= 5.5.5	no fix published	NVD
5.5	= 5.5.6	no fix published	NVD
5.5	= 5.5.7	no fix published	NVD

Invisioncommunity invision power board

Branch	Affected	Fixed in	Source
4.1	≤ 4.1.12.3	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08.1read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
FIRST EPSSEPSS score12.3 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2016-07-12
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-6174?

Is CVE-2016-6174 actively exploited?

Active exploitation of CVE-2016-6174 has not been confirmed. Its EPSS score was 12.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-6174?

CVE-2016-6174 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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