How severe is CVE-2006-6824?

CVE-2006-6824 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2006-6824 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6824?

CVE-2006-6824 primarily affects Php Icalendar. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6824?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-6824 published?

CVE-2006-6824 was published on 2006-12-29 and last updated on 2026-06-16.

CVE-2006-6824

CVE-2006-6824 is a medium-severity vulnerability in Php Icalendar with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Php Icalendar
Published: 2006-12-29
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Jim Hu and Chad Little PHP iCalendar 2.23 rc1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) getdate parameter in (a) day.php, (b) month.php, (c) year.php, (d) week.php, (e) search.php, (f) rss/index.php, (g) print.php, and (h) preferences.php; the (2) cpath parameter in (i) day.php, (j) month.php, (k) year.php, (l) week.php, and (m) search.php; the (3) query parameter in search.php; and possibly the cpath, (4) unset, and (5) set parameters in a setcookie action in preferences.php; different vectors than CVE-2006-3319. NOTE: it was later reported that vectors b, c, and d also affect 2.24.

Frequently asked questions

What is CVE-2006-6824?: Multiple cross-site scripting (XSS) vulnerabilities in Jim Hu and Chad Little PHP iCalendar 2.23 rc1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) getdate parameter in (a) day.php, (b) month.php, (c) year.php, (d) week.php, (e) search.php, (f) rss/index.php, (g) print.php, and (h) preferences.php; the (2) cpath parameter in (i) day.php, (j) month.php, (k) year.php, (l) week.php, and (m) search.php; the (3) query parameter in search.php; and possibly the cpath, (4) unset, and (5) set parameters in a setcookie action in preferences.php; different vectors than CVE-2006-3319. NOTE: it was later reported that vectors b, c, and d also affect 2.24.
How severe is CVE-2006-6824?: CVE-2006-6824 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-6824 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6824?: CVE-2006-6824 primarily affects Php Icalendar. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6824?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6824 published?: CVE-2006-6824 was published on 2006-12-29 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:php_icalendar:php_icalendar:*:*:*:*:*:*:*:*
cpe:2.3:a:php_icalendar:php_icalendar:1.1:*:*:*:*:*:*:*
cpe:2.3:a:php_icalendar:php_icalendar:2.2_beta:*:*:*:*:*:*:*
cpe:2.3:a:php_icalendar:php_icalendar:2.22:*:*:*:*:*:*:*
cpe:2.3:a:php_icalendar:php_icalendar:2.24:*:*:*:*:*:*:*

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CVE-2006-1291 — High (CVSS 7.5): publish.ical.php in Jim Hu and Chad Little PHP iCalendar 2.21 and earlier does not require authentication for write…
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CVE-2006-1292 — Medium (CVSS 5.0): Directory traversal vulnerability in Jim Hu and Chad Little PHP iCalendar 2.21 and earlier allows remote attackers to…
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