CVE-2005-4580: Cross-site scripting (XSS) vulnerability in Day Communique 4 allows remote attackers to inject arbitrary web s

Routine

MEDIUM 4.3DOWNGRADE

CVE-2005-4580 is a medium-severity flaw (CVSS 4.3) affecting communique. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Day Communique 4 allows remote attackers to inject arbitrary web script or HTML via the query parameter in a search.

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	1.2% (top 32%)
CISA exploited list	No
Published	2005-12-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: day

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

Am I affected?

Timeline

2005-12-29 11:03 UTCPublished CVE record published
2026-06-16 22:19 UTCUpdated Record last modified

day communique DOWNGRADE

Affected: 4

Fixed in: no fixed release known

Safe to downgrade to: a release before 4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4 (Debian / Ubuntu)

apt-cache madison communique sudo apt install communique=<VERSION_BEFORE_4> sudo apt-mark hold communique

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

dnf --showduplicates list communique sudo dnf downgrade communique-<VERSION_BEFORE_4> sudo dnf versionlock add communique

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-2005-4580?

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

Is CVE-2005-4580 being exploited?

CVE-2005-4580 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-2005-4580 affect?

CVE-2005-4580 affects communique. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Day Communique 4 allows remote attackers to inject arbitrary web script or HTML via the query parameter in a search.

How urgent is CVE-2005-4580?

Priority 32/100. No elevated risk signals yet.

References

← Back to latest CVEs