CVE-2012-0225: Cross-site scripting (XSS) vulnerability in Invensys Wonderware Information Server 4.0 SP1 and 4.5 allows remo

Routine

MEDIUM 4.3DOWNGRADE

CVE-2012-0225 is a medium-severity flaw (CVSS 4.3) affecting wonderware information server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Invensys Wonderware Information Server 4.0 SP1 and 4.5 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	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-79
Published	2012-04-02
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: invensys

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

Am I affected?

Timeline

2012-04-02 20:55 UTCPublished CVE record published
2026-06-16 23:36 UTCUpdated Record last modified

invensys wonderware information server DOWNGRADE

Affected: 4.0 sp1 · 4.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

apt-cache policy wonderware-information-server || rpm -q wonderware-information-server || wonderware-information-server --version

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison wonderware-information-server sudo apt install wonderware-information-server=<VERSION_BEFORE_4.0> sudo apt-mark hold wonderware-information-server

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

dnf --showduplicates list wonderware-information-server sudo dnf downgrade wonderware-information-server-<VERSION_BEFORE_4.0> sudo dnf versionlock add wonderware-information-server

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-2012-0225?

wonderware information server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-0225 being exploited?

CVE-2012-0225 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-2012-0225 affect?

CVE-2012-0225 affects wonderware information server. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Invensys Wonderware Information Server 4.0 SP1 and 4.5 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

How urgent is CVE-2012-0225?

Priority 34/100. No elevated risk signals yet.

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References

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