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Vulnerability record · CVE-2013-1751 · published 7 November 2019

CVE-2013-1751: Twiki improper input validation vulnerability

Twiki · Twiki

TWiki before 5.1.4 allows remote attackers to execute arbitrary shell commands by sending a crafted '%MAKETEXT{}%' parameter value containing Perl backtick characters.

9.8 CVSS 3.1 Critical EPSS 4.9% · top 8.3% CWE-20 · Improper input validation
9.8CVSS 3.1 base score, v2 10.0
4.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

TWiki before 5.1.4 allows remote attackers to execute arbitrary shell commands by sending a crafted '%MAKETEXT{}%' parameter value containing Perl backtick characters.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securitytracker.com/id/1028149 Third Party AdvisoryVDB Entry
https://security-tracker.debian.org/tracker/CVE-2013-1751 Third Party Advisory
https://twiki.org/cgi-bin/view/Codev/SecurityAlert-CVE-2013-1751 MitigationPatchVendor Advisory
http://www.securitytracker.com/id/1028149 Third Party AdvisoryVDB Entry
https://security-tracker.debian.org/tracker/CVE-2013-1751 Third Party Advisory
https://twiki.org/cgi-bin/view/Codev/SecurityAlert-CVE-2013-1751 MitigationPatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2008-5305Twiki code injection vulnerabilityEval injection vulnerability in TWiki before 4.2.4 allows remote attackers to execute arbitrary Perl code via the %SEARCH{}% variable.EPSS 4.6%10.0CVE-2004-1037TWiki search function allows remote command executionThe search function in TWiki 20030201 passes user-supplied search strings to a shell without sanitizing shell metacharacters, allowing command inject…EPSS 62%analysed9.8CVE-2005-3056Twiki injection vulnerabilityTWiki allows arbitrary shell command execution via the Include functionEPSS 3.5%9.1CVE-2014-7236TWiki Plugins.pm eval injection allows remote Perl code executionTWiki before 6.0.1 contains an eval injection flaw in lib/TWiki/Plugins.pm. The debugenableplugins parameter passed to do/view/Main/WebHome is evalua…EPSS 56%analysed9.0CVE-2006-6071Twiki vulnerabilityTWiki 4.0.5 and earlier, when running under Apache 1.3 using ApacheLogin with sessions and "ErrorDocument 401" redirects to a valid wiki topic, does …EPSS 2.2%7.5CVE-2006-3819Twiki vulnerabilityEval injection vulnerability in the configure script in TWiki 4.0.0 through 4.0.4 allows remote attackers to execute arbitrary Perl code via an HTTP …EPSS 4.1%7.5CVE-2006-1386Twiki vulnerabilityThe (1) rdiff and (2) preview scripts in TWiki 4.0 and 4.0.1 ignore access control settings, which allows remote attackers to read restricted areas a…EPSS 1.8%7.5CVE-2005-2877TWiki history function command injection via rev parameterThe revision control (history) function in TWiki 02-Sep-2004 and earlier fails to sanitize shell metacharacters, allowing remote attackers to inject …EPSS 71%analysed

Source: NIST National Vulnerability Database (record CVE-2013-1751), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.