{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5090","assignerOrgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","state":"PUBLISHED","assignerShortName":"CPANSec","dateReserved":"2026-03-28T19:35:11.737Z","datePublished":"2026-05-19T21:30:03.552Z","dateUpdated":"2026-09-19T11:46:35.655Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://cpan.org/modules","defaultStatus":"unaffected","modules":["Template::Plugin::HTML"],"packageName":"Template-Toolkit","packageURL":"pkg:cpan/Template-Toolkit","programFiles":["lib/Template/Plugin/HTML.pm"],"programRoutines":[{"name":"Template::Plugin::HTML::html_filter"}],"repo":"https://github.com/abw/Template2","versions":[{"lessThan":"3.103","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Template::Plugin::HTML versions before 3.103 for Perl allows HTML and JavaScript to be injected.\n\nThe html_filter function did not escape single quotes. HTML attributes inside of single quotes could be have code injected.  For example, the variable \"var\" in\n\n    <a id='ref' title='[% var | html %]'>\n\nwould not be properly escaped. An attacker could insert some limited HTML and JavaScript, for example,\n\n    var = \" ' onclick='while (true) { alert(1) }'\"\n\nNote that arbitrary HTML and JavaScript would be difficult to inject, because angle brackets, ampersands and double-quotes would still be escaped."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","shortName":"CPANSec","dateUpdated":"2026-09-19T11:46:35.655Z"},"references":[{"tags":["issue-tracking"],"url":"https://github.com/abw/Template2/issues/327"},{"tags":["patch"],"url":"https://github.com/cpan-authors/Template2/commit/ca539f49f6ffd1c2b7d9ef4f48f6b88292418734.patch"},{"tags":["release-notes"],"url":"https://metacpan.org/release/TODDR/Template-Toolkit-3.103/changes"}],"solutions":[{"lang":"en","value":"Upgrade to version 3.103."}],"source":{"discovery":"UNKNOWN"},"timeline":[{"lang":"en","time":"2024-12-01T00:00:00.000Z","value":"Issue reported in GitHub."},{"lang":"en","time":"2026-02-21T00:00:00.000Z","value":"Pull request submitted."},{"lang":"en","time":"2026-03-22T00:00:00.000Z","value":"Pull request merged."},{"lang":"en","time":"2026-03-22T00:00:00.000Z","value":"Issue reported to CPANSec."},{"lang":"en","time":"2026-03-28T00:00:00.000Z","value":"CVE assigned."},{"lang":"en","time":"2026-05-19T00:00:00.000Z","value":"CVE published."},{"lang":"en","time":"2026-05-21T00:00:00.000Z","value":"Template-Toolkit version 3.103 released."}],"title":"Template::Plugin::HTML versions before 3.103 for Perl allows HTML and JavaScript to be injected","workarounds":[{"lang":"en","value":"Attribute values in templates that contain escaped HTML should use double quotes instead of single quotes."}],"x_generator":{"engine":"cpansec-cna-tool 0.1"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/19/40"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-05-19T23:25:21.832Z"}},{"metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":6.1,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-20T13:45:07.748170Z","id":"CVE-2026-5090","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-20T13:45:31.562Z"}}]}}