How severe is CVE-2006-0183?

CVE-2006-0183 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2006-0183 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-0183?

CVE-2006-0183 affects Acal Calendar Project. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-0183?

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

When was CVE-2006-0183 published?

CVE-2006-0183 was published on 2006-01-12 and last updated on 2026-06-16.

CVE-2006-0183

CVE-2006-0183 is a medium-severity vulnerability in Acal Calendar Project with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Acal Calendar Project
Published: 2006-01-12
Last modified: 2026-06-16

Description

Direct static code injection vulnerability in edit.php in ACal Calendar Project 2.2.5 allows authenticated users to execute arbitrary PHP code via (1) the edit=header value, which modifies header.php, or (2) the edit=footer value, which modifies footer.php. NOTE: this issue might be resultant from the poor authentication as identified by CVE-2006-0182. Since the design of the product allows the administrator to edit the code, perhaps this issue should not be included in CVE, except as a consequence of CVE-2006-0182.

Frequently asked questions

What is CVE-2006-0183?: Direct static code injection vulnerability in edit.php in ACal Calendar Project 2.2.5 allows authenticated users to execute arbitrary PHP code via (1) the edit=header value, which modifies header.php, or (2) the edit=footer value, which modifies footer.php. NOTE: this issue might be resultant from the poor authentication as identified by CVE-2006-0182. Since the design of the product allows the administrator to edit the code, perhaps this issue should not be included in CVE, except as a consequence of CVE-2006-0182.
How severe is CVE-2006-0183?: CVE-2006-0183 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2006-0183 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0183?: CVE-2006-0183 affects Acal Calendar Project. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-0183?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-0183 published?: CVE-2006-0183 was published on 2006-01-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:acal:calendar_project:2.2.5:*:*:*:*:*:*:*

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CVE-2006-0182 — High (CVSS 7.5): login.php in ACal Calendar Project 2.2.5 allows remote attackers to bypass authentication by setting the…

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