CVE-2007-6287: Cross-site scripting (XSS) vulnerability in the login page in Lxlabs HyperVM 2.0 allows remote attackers to in

Routine

MEDIUM 4.3DOWNGRADE

CVE-2007-6287 is a medium-severity flaw (CVSS 4.3) affecting hypervm. 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 login page in Lxlabs HyperVM 2.0 allows remote attackers to inject arbitrary web script or HTML via the frm_emessage parameter, a different vector than CVE-2006-6649. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

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	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-79
Published	2007-12-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: lxlabs

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

Am I affected?

Timeline

2007-12-10 18:46 UTCPublished CVE record published
2026-06-16 22:47 UTCUpdated Record last modified

lxlabs hypervm 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 hypervm || rpm -q hypervm || hypervm --version

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

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

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

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

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-2007-6287?

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

Is CVE-2007-6287 being exploited?

CVE-2007-6287 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-2007-6287 affect?

CVE-2007-6287 affects hypervm. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in the login page in Lxlabs HyperVM 2.0 allows remote attackers to inject arbitrary web script or HTML via the frm_emessage parameter, a different vector than CVE-2006-6649. NOTE: the provenance of

How urgent is CVE-2007-6287?

Priority 36/100. Public exploit reference

Related CVEs

CVE-2006-6649 MEDIUM 6.8 UPGRADE Cross-site scripting (XSS) vulnerability in display.php in HyperVM 1.2 and earlier allows remote attackers to

References

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