{
    "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"
                }
            }
        ]
    }
}