CVE-2009-4255

NONECVSS 0.0

0.0

Cross-site scripting (XSS) vulnerability in the You!Hostit! template 1.0.1 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the created_by_alias parameter in index.php.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 53.4%
KEV: Not listed

Published

December 10, 2009

Last Modified

April 23, 2026

References (6)

cve@mitrehttp://secunia.com/advisories/37601
cve@mitrehttp://www.exploit-db.com/exploits/10301
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/54570
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/37601
af854a3a-2127-422b-91ae-364da2661108http://www.exploit-db.com/exploits/10301
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/54570

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:44 UTCepss_batch
2026-06-06 13:44 UTCepss_batch
2026-06-06 13:44 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:07 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 14:22 UTCEG score recompute
2026-05-30 14:22 UTCGHSA enrichment
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch

Frequently asked(4)

What is CVE-2009-4255?

CVE-2009-4255 is a none vulnerability published on December 10, 2009. Cross-site scripting (XSS) vulnerability in the You!Hostit! template 1.0.1 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the createdbyalias parameter in index.php.

When was CVE-2009-4255 disclosed?

CVE-2009-4255 was first published in the National Vulnerability Database on December 10, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-4255 actively exploited?

CVE-2009-4255 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-4255?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-4255, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2009-4255

Explore →

Is Your Infrastructure Affected by CVE-2009-4255?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2009-4255

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-4255?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(4)

Related CVEs(same CWE)