CVE-2005-1557: Multiple cross-site scripting (XSS) vulnerabilities in WebApp Guestbook PRO 3.2.1 and earlier allow remote att

Routine

MEDIUM 4.3DOWNGRADE

CVE-2005-1557 is a medium-severity flaw (CVSS 4.3) affecting guestbook pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in WebApp Guestbook PRO 3.2.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) title or (2) content of a message.

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	1.4% (top 27%)
CISA exploited list	No
Published	2005-05-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pixysoft

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

Am I affected?

Timeline

2005-05-11 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

pixysoft guestbook pro DOWNGRADE

Affected: 3.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2.1

1. Check installed version

apt-cache policy guestbook-pro || rpm -q guestbook-pro || guestbook-pro --version

2. No fixed release: DOWNGRADE to a release before 3.2.1 (Debian / Ubuntu)

apt-cache madison guestbook-pro sudo apt install guestbook-pro=<VERSION_BEFORE_3.2.1> sudo apt-mark hold guestbook-pro

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

dnf --showduplicates list guestbook-pro sudo dnf downgrade guestbook-pro-<VERSION_BEFORE_3.2.1> sudo dnf versionlock add guestbook-pro

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-2005-1557?

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

Is CVE-2005-1557 being exploited?

CVE-2005-1557 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-2005-1557 affect?

CVE-2005-1557 affects guestbook pro. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in WebApp Guestbook PRO 3.2.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) title or (2) content of a message.

How urgent is CVE-2005-1557?

Priority 38/100. Public exploit reference

References

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