CRLF injection vulnerability in layers_toggle.php in WebCalendar 1.0.1 might allow remote attackers to modify HTTP headers and conduct HTTP response splitting attacks via the ret parameter, which is used to redirect URL requests
Published Dec 4, 2005
5.0
MEDIUMCVSS 2.0
EPSS 7.08%
Description
CRLF injection vulnerability in layers_toggle.php in WebCalendar 1.0.1 might allow remote attackers to modify HTTP headers and conduct HTTP response splitting attacks via the ret parameter, which is used to redirect URL requests.
Affected products
No data.
- 1.0.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.08% (0.07076) | 94.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.08% (0.07076) | 93.37th | v5 (v2026.06.15) |
| Mar 30, 2025 | 16.48% (0.16479) | 94.32th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.85% (0.11847) | 89.52th | v4 (v2025.03.14) |
| Mar 19, 2025 | 16.48% (0.16479) | 94.09th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.54% (0.10544) | 92.70th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.50% (0.04497) | 92.77th | v3 (v2023.03.01) |
| Mar 10, 2023 | 4.84% (0.04838) | 91.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.41% (0.05408) | 91.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.20% (0.07197) | 92.42th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.20% (0.07197) | 91.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.20% (0.07197) | 80.47th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://secunia.com/advisories/17848 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/19240 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://vd.lwang.org/webcalendar_multiple_vulns.txt x_refsource_MISC
- http://www.debian.org/security/2006/dsa-1002 vendor-advisoryx_refsource_DEBIANPatchVendor Advisory
- http://www.osvdb.org/21383 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/418286/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/15673 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2005/2702 vdb-entryx_refsource_VUPEN
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/17848 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://secunia.com/advisories/19240 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://vd.lwang.org/webcalendar_multiple_vulns.txt | x_refsource_MISC | |
| http://www.debian.org/security/2006/dsa-1002 | vendor-advisoryx_refsource_DEBIANPatchVendor Advisory | |
| http://www.osvdb.org/21383 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/archive/1/418286/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/15673 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2005/2702 | vdb-entryx_refsource_VUPEN |
Change history (0)
No recorded changes yet.