CVE-2009-3420: Multiple cross-site scripting (XSS) vulnerabilities in index.php in the Publisher module 2.0 for Miniweb allow

Routine

MEDIUM 4.3DOWNGRADE

CVE-2009-3420 is a medium-severity flaw (CVSS 4.3) affecting miniweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in index.php in the Publisher module 2.0 for Miniweb allow remote attackers to inject arbitrary web script or HTML via the (1) begin parameter and the (2) PATH_INFO.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-09-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: intesync

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

Am I affected?

Timeline

2009-09-25 22:30 UTCPublished CVE record published
2026-06-16 23:11 UTCUpdated Record last modified

intesync miniweb DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy miniweb || rpm -q miniweb || miniweb --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison miniweb sudo apt install miniweb=<VERSION_BEFORE_2.0> sudo apt-mark hold miniweb

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

dnf --showduplicates list miniweb sudo dnf downgrade miniweb-<VERSION_BEFORE_2.0> sudo dnf versionlock add miniweb

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: Miniweb 2.0 Module Publisher - Blind SQL Injection / Cross-Site Scripting

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-2009-3420?

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

Is CVE-2009-3420 being exploited?

CVE-2009-3420 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-2009-3420 affect?

CVE-2009-3420 affects miniweb. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in index.php in the Publisher module 2.0 for Miniweb allow remote attackers to inject arbitrary web script or HTML via the (1) begin parameter and the (2) PATH_INFO.

How urgent is CVE-2009-3420?

Priority 37/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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