{"id":"CVE-2026-108566","revision":null,"records":[{"revision":"f814260ca5fb4accb28f202f215bc63b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108566","aliases":[],"title":"InstantSoft icms2 Private Message index.tpl.php index cross site scripting","description":"A vulnerability has been found in InstantSoft icms2 up to 2.18.2. This issue affects the function index of the file templates/default/controllers/messages/index.tpl.php of the component Private Message Handler. Such manipulation of the argument nickname leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 3a1ec8fcb073a46d06a2ab83bc2bf68225834281. It is best practice to apply a patch to resolve this issue.","state":0,"publishedAt":"2026-10-11T09:15:16.508+00:00","modifiedAt":"2026-10-13T13:01:20.117+00:00","affected":[{"ecosystem":"Vendor product","name":"icms2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"InstantSoft\",\n                    \"product\": \"icms2\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.18.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"2.18.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"2.18.2\",\n                            \"status\": \"affected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:instantsoft:icms2:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"modules\": [\n                        \"Private Message Handler\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P","score":5.1,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C","score":3.5,"severity":"LOW"},{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C","score":3.5,"severity":"LOW"},{"system":"CVSS 2.0","vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C","score":4,"severity":null}],"references":["https://vuldb.com/vuln/416223","https://vuldb.com/vuln/416223/cti","https://vuldb.com/cve/CVE-2026-108566","https://vuldb.com/submit/954247","https://github.com/instantsoft/icms2/commit/3a1ec8fcb073a46d06a2ab83bc2bf68225834281","https://github.com/instantsoft/icms2/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108566","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108566","identifiers":["CVE-2026-108566"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-10T08:21:42.9806814+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-10T08:21:42.9806814+00:00","lastSuccessAt":"2026-11-10T08:22:06.2444793+00:00","error":null,"lastVerifiedAt":"2026-11-10T08:22:06.2444805+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-78b08a98b3ce49f188246fb2aae3c44d","complete":false,"records":13695,"lastAttemptAt":"2026-11-10T08:22:40.320966+00:00","lastSuccessAt":"2026-11-10T08:22:40.318+00:00","error":"100 identifier lookups failed; latest failures include request timeout. 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