CVE-2011-1838

Exp

Multiple cross-site scripting (XSS) vulnerabilities in TemplateLogin.pm in TWiki before 5.0.2 allow remote attackers to inject arbitrary web script or HTML via the origurl parameter to a (1) view script or (2) login script.

Published: 2011-05-20 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1838 is rated Exploit Available (56.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.73%). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-1838

EDB-ID Source Kind Published Link
35761 exploit_db edb 2011-05-18 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-1838

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 9.04% 2.73% -6.31%
2 2026-02-28 8.27% 9.04% +0.77%
3 2026-02-10 — 8.27% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1838

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-1838

Affected software / configurations for CVE-2011-1838

Vendor Product Version Raw CPE
twiki twiki <= 5.0.1 cpe:2.3:a:twiki:twiki:*:*:*:*:*:*:*:*
twiki twiki 4.0.0 cpe:2.3:a:twiki:twiki:4.0.0:*:*:*:*:*:*:*
twiki twiki 4.0.1 cpe:2.3:a:twiki:twiki:4.0.1:*:*:*:*:*:*:*
twiki twiki 4.0.2 cpe:2.3:a:twiki:twiki:4.0.2:*:*:*:*:*:*:*
twiki twiki 4.0.3 cpe:2.3:a:twiki:twiki:4.0.3:*:*:*:*:*:*:*
twiki twiki 4.0.4 cpe:2.3:a:twiki:twiki:4.0.4:*:*:*:*:*:*:*
twiki twiki 4.0.5 cpe:2.3:a:twiki:twiki:4.0.5:*:*:*:*:*:*:*
twiki twiki 4.1.0 cpe:2.3:a:twiki:twiki:4.1.0:*:*:*:*:*:*:*
twiki twiki 4.1.1 cpe:2.3:a:twiki:twiki:4.1.1:*:*:*:*:*:*:*
twiki twiki 4.1.2 cpe:2.3:a:twiki:twiki:4.1.2:*:*:*:*:*:*:*
twiki twiki 4.2.0 cpe:2.3:a:twiki:twiki:4.2.0:*:*:*:*:*:*:*
twiki twiki 4.2.1 cpe:2.3:a:twiki:twiki:4.2.1:*:*:*:*:*:*:*
twiki twiki 4.2.2 cpe:2.3:a:twiki:twiki:4.2.2:*:*:*:*:*:*:*
twiki twiki 4.2.3 cpe:2.3:a:twiki:twiki:4.2.3:*:*:*:*:*:*:*
twiki twiki 4.2.4 cpe:2.3:a:twiki:twiki:4.2.4:*:*:*:*:*:*:*
twiki twiki 4.3.0 cpe:2.3:a:twiki:twiki:4.3.0:*:*:*:*:*:*:*
twiki twiki 4.3.1 cpe:2.3:a:twiki:twiki:4.3.1:*:*:*:*:*:*:*
twiki twiki 4.3.2 cpe:2.3:a:twiki:twiki:4.3.2:*:*:*:*:*:*:*
twiki twiki 4.5.0 cpe:2.3:a:twiki:twiki:4.5.0:*:*:*:*:*:*:*
twiki twiki 5.0.0 cpe:2.3:a:twiki:twiki:5.0.0:*:*:*:*:*:*:*

References for CVE-2011-1838

cvelogic Threat Intelligence