CVE-2014-3149: Cross-site scripting (XSS) vulnerability in Invision Power IP.Board (aka IPB or Power Board) 3.3.x and 3.4.x t

Routine

MEDIUM 4.3DOWNGRADEDOWNGRADE

CVE-2014-3149 is a medium-severity flaw (CVSS 4.3) affecting invision power board, ip.nexus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Invision Power IP.Board (aka IPB or Power Board) 3.3.x and 3.4.x through 3.4.6, as downloaded before 20140424, or IP.Nexus 1.5.x through 1.5.9, as downloaded before 20140424, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-07-03
Last modified	2026-06-17

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

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-07-03 14:55 UTCPublished CVE record published
2026-06-17 00:07 UTCUpdated Record last modified

invisioncommunity invision power board DOWNGRADE

Affected: 3.3.0 · 3.3.0 alpha1 · 3.3.0 alpha2 · 3.3.0 beta1 · 3.3.0 beta2 · 3.3.0 beta3 · 3.3.0 beta4 · 3.3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.3.0

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 3.3.0 (Debian / Ubuntu)

apt-cache madison invision-power-board sudo apt install invision-power-board=<VERSION_BEFORE_3.3.0> 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_3.3.0> 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.

invisionpower ip.nexus DOWNGRADE

Affected: 1.5.0 · 1.5.1 · 1.5.2 · 1.5.3 · 1.5.4 · 1.5.5 · 1.5.6 · 1.5.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.0

1. Check installed version

apt-cache policy ip.nexus || rpm -q ip.nexus || ip.nexus --version

2. No fixed release: DOWNGRADE to a release before 1.5.0 (Debian / Ubuntu)

apt-cache madison ip.nexus sudo apt install ip.nexus=<VERSION_BEFORE_1.5.0> sudo apt-mark hold ip.nexus

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

dnf --showduplicates list ip.nexus sudo dnf downgrade ip.nexus-<VERSION_BEFORE_1.5.0> sudo dnf versionlock add ip.nexus

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.

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-2014-3149?

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

Is CVE-2014-3149 being exploited?

CVE-2014-3149 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-2014-3149 affect?

CVE-2014-3149 affects invision power board, ip.nexus. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Invision Power IP.Board (aka IPB or Power Board) 3.3.x and 3.4.x through 3.4.6, as downloaded before 20140424, or IP.Nexus 1.5.x through 1.5.9, as downloaded before 20140424, allows remote attacke

How urgent is CVE-2014-3149?

Priority 35/100. No elevated risk signals yet.

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References

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