CVE-2009-4804

NONECVSS 0.0

0.0

Cross-site scripting (XSS) vulnerability in the Calendar Base (cal) extension before 1.1.1 for TYPO3, when Internet Explorer 6 is used, allows remote attackers to inject arbitrary web script or HTML via "search parameters."

CVSS v3: —
EG Score: 0.0(none)
EPSS: 54.4%
KEV: Not listed

Published

April 23, 2010

Last Modified

April 29, 2026

References (8)

cve@mitrehttp://secunia.com/advisories/34155
cve@mitrehttp://typo3.org/extensions/repository/view/cal/1.1.1/
cve@mitrehttp://typo3.org/teams/security/security-bulletins/typo3-sa-2009-003/
cve@mitrehttp://www.securityfocus.com/bid/33996
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/34155
af854a3a-2127-422b-91ae-364da2661108http://typo3.org/extensions/repository/view/cal/1.1.1/
af854a3a-2127-422b-91ae-364da2661108http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-003/
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/33996

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
2026-06-05 22:44 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:07 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 00:14 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-29 11:55 UTCEG score recompute
2026-05-29 11:55 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch

Frequently asked(4)

What is CVE-2009-4804?

CVE-2009-4804 is a none vulnerability published on April 23, 2010. Cross-site scripting (XSS) vulnerability in the Calendar Base (cal) extension before 1.1.1 for TYPO3, when Internet Explorer 6 is used, allows remote attackers to inject arbitrary web script or HTML via "search parameters."

When was CVE-2009-4804 disclosed?

CVE-2009-4804 was first published in the National Vulnerability Database on April 23, 2010, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-4804 actively exploited?

CVE-2009-4804 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 54.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-4804?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-4804, 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.

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CVE-2009-4804

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-4804?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (8)

Frequently asked(4)

Related CVEs(same CWE)