CVE-2007-2808: Cross-site scripting (XSS) vulnerability in gnatsweb.pl in Gnatsweb 4.00 and Gnats 4.1.99 allows remote attack

Routine

MEDIUM 4.3DOWNGRADEDOWNGRADE

CVE-2007-2808 is a medium-severity flaw (CVSS 4.3) affecting gnats, gnatsweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in gnatsweb.pl in Gnatsweb 4.00 and Gnats 4.1.99 allows remote attackers to inject arbitrary web script or HTML via the database parameter.

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	1.3% (top 29%)
CISA exploited list	No
Published	2007-05-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gnu · yngve svendsen

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

Am I affected?

Timeline

2007-05-22 19:30 UTCPublished CVE record published
2026-06-16 22:40 UTCUpdated Record last modified

gnu gnats DOWNGRADE

Affected: 4.1.99

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.99

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.1.99 (Debian / Ubuntu)

apt-cache madison gnats sudo apt install gnats=<VERSION_BEFORE_4.1.99> sudo apt-mark hold gnats

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

dnf --showduplicates list gnats sudo dnf downgrade gnats-<VERSION_BEFORE_4.1.99> sudo dnf versionlock add gnats

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.

yngve svendsen gnatsweb DOWNGRADE

Affected: 4.00

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.00

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.00 (Debian / Ubuntu)

apt-cache madison gnatsweb sudo apt install gnatsweb=<VERSION_BEFORE_4.00> sudo apt-mark hold gnatsweb

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

dnf --showduplicates list gnatsweb sudo dnf downgrade gnatsweb-<VERSION_BEFORE_4.00> sudo dnf versionlock add gnatsweb

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-2007-2808?

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

Is CVE-2007-2808 being exploited?

CVE-2007-2808 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-2007-2808 affect?

CVE-2007-2808 affects gnats, gnatsweb. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in gnatsweb.pl in Gnatsweb 4.00 and Gnats 4.1.99 allows remote attackers to inject arbitrary web script or HTML via the database parameter.

How urgent is CVE-2007-2808?

Priority 33/100. No elevated risk signals yet.

Related CVEs

CVE-2005-2180 LOW 2.1 DOWNGRADE gen-index in GNATS 4.0, 4.1.0, and possibly earlier versions, when installed setuid, does not properly check f
CVE-2004-0623 HIGH 10.0 DOWNGRADE Format string vulnerability in misc.c in GNU GNATS 4.00 may allow remote attackers to execute arbitrary code v

References

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