CVE-2009-0417: Cross-site scripting (XSS) vulnerability in the AgaviWebRouting::gen(null) method in Agavi 0.11 before 0.11.6

Routine

MEDIUM 4.3DOWNGRADE

CVE-2009-0417 is a medium-severity flaw (CVSS 4.3) affecting agavi. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the AgaviWebRouting::gen(null) method in Agavi 0.11 before 0.11.6 and 1.0 before 1.0.0 beta 8 allows remote attackers to inject arbitrary web script or HTML via a crafted URL with certain characters that are not properly handled by web browsers that do not strictly follow RFC 3986, such as Internet Explorer 6 and 7.

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	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-02-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: agavi

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

Am I affected?

Timeline

2009-02-10 07:00 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

agavi agavi DOWNGRADE

Affected: 0.11.0 · 0.11.0 rc1 · 0.11.0 rc2 · 0.11.0 rc3 · 0.11.0 rc4 · 0.11.0 rc5 · 0.11.0 rc6 · 0.11.0 rc7

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.11.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.11.0 (Debian / Ubuntu)

apt-cache madison agavi sudo apt install agavi=<VERSION_BEFORE_0.11.0> sudo apt-mark hold agavi

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

dnf --showduplicates list agavi sudo dnf downgrade agavi-<VERSION_BEFORE_0.11.0> sudo dnf versionlock add agavi

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-2009-0417?

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

Is CVE-2009-0417 being exploited?

CVE-2009-0417 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-2009-0417 affect?

CVE-2009-0417 affects agavi. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in the AgaviWebRouting::gen(null) method in Agavi 0.11 before 0.11.6 and 1.0 before 1.0.0 beta 8 allows remote attackers to inject arbitrary web script or HTML via a crafted URL with certain characte

How urgent is CVE-2009-0417?

Priority 31/100. No elevated risk signals yet.

Software pages

Internet Explorer vulnerabilities

References

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