CVE-2012-5692: Unspecified vulnerability in admin/sources/base/core.php in Invision Power Board (aka IPB or IP.Board) 3.1.x t

This week

HIGH 10.0DOWNGRADEDOWNGRADE

CVE-2012-5692 is a high-severity flaw (CVSS 10.0) affecting invision power board, invision power board. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in admin/sources/base/core.php in Invision Power Board (aka IPB or IP.Board) 3.1.x through 3.3.x has unknown impact and remote attack vectors.

Why this priority

Critical severity
EPSS top 2%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	26.0% (top 2%)
CISA exploited list	No
Published	2012-10-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: invisioncommunity · invisionpower

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-10-31 10:50 UTCPublished CVE record published
2026-06-16 23:47 UTCUpdated Record last modified

invisioncommunity invision power board DOWNGRADE

Affected: 3.1.2 · 3.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1.2

1. Check installed version

apt-cache policy invision-power-board || rpm -q invision-power-board || invision-power-board --version

2. No fixed release: DOWNGRADE to a release before 3.1.2 (Debian / Ubuntu)

apt-cache madison invision-power-board sudo apt install invision-power-board=<VERSION_BEFORE_3.1.2> sudo apt-mark hold invision-power-board

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list invision-power-board sudo dnf downgrade invision-power-board-<VERSION_BEFORE_3.1.2> sudo dnf versionlock add invision-power-board

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

invisionpower invision power board DOWNGRADE

Affected: 3.1.0 · 3.1.1 · 3.1.3 · 3.1.4 · 3.2.0 · 3.2.1 · 3.2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1.0

1. Check installed version

apt-cache policy invision-power-board || rpm -q invision-power-board || invision-power-board --version

2. No fixed release: DOWNGRADE to a release before 3.1.0 (Debian / Ubuntu)

apt-cache madison invision-power-board sudo apt install invision-power-board=<VERSION_BEFORE_3.1.0> sudo apt-mark hold invision-power-board

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list invision-power-board sudo dnf downgrade invision-power-board-<VERSION_BEFORE_3.1.0> sudo dnf versionlock add invision-power-board

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Invision Power Board (IP.Board) 3.3.4 - 'Unserialize()' PHP Code Execution (Metasploit)
Exploit-DB: Invision Power Board (IP.Board) 3.3.4 - 'Unserialize()' PHP Code Execution
Exploit-DB: Invision Power Board (IP.Board) 3.3.4 - Unserialize Regex Bypass
Metasploit: Invision IP.Board unserialize() PHP Code Execution

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2012-5692?

invision power board: downgrade or apply the listed mitigation; invision power board: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-5692 being exploited?

CVE-2012-5692 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2012-5692 affect?

CVE-2012-5692 affects invision power board, invision power board. Severity is high (CVSS 10.0). Unspecified vulnerability in admin/sources/base/core.php in Invision Power Board (aka IPB or IP.Board) 3.1.x through 3.3.x has unknown impact and remote attack vectors.

How urgent is CVE-2012-5692?

Priority 64/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

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References

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