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.
CVE-2005-3982
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 93.5%
- KEV
- Not listed
Published
December 4, 2005
Last Modified
April 16, 2026
References (16)
- cve@mitrehttp://secunia.com/advisories/17848
- cve@mitrehttp://secunia.com/advisories/19240
- cve@mitrehttp://vd.lwang.org/webcalendar_multiple_vulns.txt
- cve@mitrehttp://www.debian.org/security/2006/dsa-1002
- cve@mitrehttp://www.osvdb.org/21383
- cve@mitrehttp://www.securityfocus.com/archive/1/418286/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/15673
- cve@mitrehttp://www.vupen.com/english/advisories/2005/2702
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/17848
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/19240
- af854a3a-2127-422b-91ae-364da2661108http://vd.lwang.org/webcalendar_multiple_vulns.txt
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2006/dsa-1002
- af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/21383
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/418286/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/15673
Data Freshness Timeline
(refreshed 4× in last 7d / 26× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:24 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
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- 2026-06-14 23:13 UTCEPSS rescore
- 2026-06-13 22:56 UTCEPSS rescore
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- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 11:20 UTCEG score recompute
- 2026-05-31 11:20 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-31 00:13 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:37 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
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- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-26691✓ verifiedFirst seen Dec 1, 2005
WebCalendar 1.0.1 - 'Layers_Toggle.php' HTTP Response Splitting
Open source ↗
Frequently asked(4)
What is CVE-2005-3982?
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