CVE-2009-1785: Cross-site scripting (XSS) vulnerability in Ulteo Open Virtual Desktop 1.0 allows remote attackers to inject a

Routine

MEDIUM 4.3DOWNGRADE

CVE-2009-1785 is a medium-severity flaw (CVSS 4.3) affecting open virtual desktop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Ulteo Open Virtual Desktop 1.0 allows remote attackers to inject arbitrary web script or HTML via the error parameter to header.php. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

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	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-05-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ulteo

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

Am I affected?

Timeline

2009-05-22 20:30 UTCPublished CVE record published
2026-06-16 23:08 UTCUpdated Record last modified

ulteo open virtual desktop DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy open-virtual-desktop || rpm -q open-virtual-desktop || open-virtual-desktop --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison open-virtual-desktop sudo apt install open-virtual-desktop=<VERSION_BEFORE_1.0> sudo apt-mark hold open-virtual-desktop

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

dnf --showduplicates list open-virtual-desktop sudo dnf downgrade open-virtual-desktop-<VERSION_BEFORE_1.0> sudo dnf versionlock add open-virtual-desktop

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-2009-1785?

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

Is CVE-2009-1785 being exploited?

CVE-2009-1785 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-2009-1785 affect?

CVE-2009-1785 affects open virtual desktop. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Ulteo Open Virtual Desktop 1.0 allows remote attackers to inject arbitrary web script or HTML via the error parameter to header.php. NOTE: the provenance of this information is unknown; the detai

How urgent is CVE-2009-1785?

Priority 30/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2009-1775 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Ulteo Open Virtual Desktop 1.0 allow remote attackers t

References

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