CVE-2005-2855: Cross-site scripting (XSS) vulnerability in Unclassified NewsBoard 1.5.3 allows remote attackers to inject arb

This month

MEDIUM 4.3DOWNGRADE

CVE-2005-2855 is a medium-severity flaw (CVSS 4.3) affecting unclassified newsboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Unclassified NewsBoard 1.5.3 allows remote attackers to inject arbitrary web script or HTML via the description field.

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	2.0% (top 20%)
CISA exploited list	No
Published	2005-09-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: unclassified newsboard

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

Am I affected?

Timeline

2005-09-08 10:03 UTCPublished CVE record published
2026-06-16 22:15 UTCUpdated Record last modified

unclassified newsboard unclassified newsboard DOWNGRADE

Affected: 1.5.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.3

1. Check installed version

apt-cache policy unclassified-newsboard || rpm -q unclassified-newsboard || unclassified-newsboard --version

2. No fixed release: DOWNGRADE to a release before 1.5.3 (Debian / Ubuntu)

apt-cache madison unclassified-newsboard sudo apt install unclassified-newsboard=<VERSION_BEFORE_1.5.3> sudo apt-mark hold unclassified-newsboard

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

dnf --showduplicates list unclassified-newsboard sudo dnf downgrade unclassified-newsboard-<VERSION_BEFORE_1.5.3> sudo dnf versionlock add unclassified-newsboard

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Unclassified NewsBoard 1.5.3 - 'Description' HTML Injection

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-2005-2855?

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

Is CVE-2005-2855 being exploited?

CVE-2005-2855 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-2005-2855 affect?

CVE-2005-2855 affects unclassified newsboard. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Unclassified NewsBoard 1.5.3 allows remote attackers to inject arbitrary web script or HTML via the description field.

How urgent is CVE-2005-2855?

Priority 40/100. Public exploit reference

Related CVEs

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CVE-2007-1597 MEDIUM 5.0 DOWNGRADE Unclassified NewsBoard 1.6.3 stores sensitive information under the web root with insufficient access control,
CVE-2006-2406 LOW 2.6 UPGRADE Directory traversal vulnerability in bb_lib/abbc.css.php in Unclassified NewsBoard (UNB) 1.5.3-d and possibly
CVE-2006-2405 MEDIUM 6.8 UPGRADE Directory traversal vulnerability in unb_lib/abbc.conf.php in Unclassified NewsBoard (UNB) 1.6.1 patch 1 and e
CVE-2005-3686 HIGH 7.5 UPGRADE SQL injection vulnerability in search.inc.php in Unclassified NewsBoard before 1.5.3 Patch 4 allows remote att

References

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