{"id":"GHSA-wc29-h54q-q8qx","summary":"Formstone Vulnerable to Reflected XSS","details":"Formstone \u003c=1.4.16 is vulnerable to a Reflected Cross-Site Scripting (XSS) vulnerability caused by improper validation of user supplied input in the `upload-target.php` and `upload-chunked.php` files. A remote attacker could exploit this vulnerability using a specially crafted URL to execute a script in a victim's Web browser within the security context of the hosting Web site once the URL is clicked or visited. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials, force malware execution, user redirection and others.","aliases":["CVE-2020-26768"],"modified":"2024-04-01T22:27:14.842993Z","published":"2022-05-24T17:38:12Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2024-04-01T22:02:55Z","nvd_published_at":"2021-01-07T13:15:00Z","cwe_ids":["CWE-79"],"severity":"MODERATE"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-26768"},{"type":"WEB","url":"https://github.com/Formstone/Formstone/issues/286"},{"type":"WEB","url":"https://github.com/Formstone/Formstone/commit/b067f31f5f6a0acd3ade4fd6dccae6e3633caa02"}],"affected":[{"package":{"name":"formstone","ecosystem":"npm","purl":"pkg:npm/formstone"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.4.17"}]}],"database_specific":{"last_known_affected_version_range":"\u003c= 1.4.16","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-wc29-h54q-q8qx/GHSA-wc29-h54q-q8qx.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}