{"id":"CVE-2021-24903","aliases":["EUVD-2021-11815","GHSA-p9r5-6jx9-h5wp"],"status":"published","title":"GRAND FlaGallery \u003c= 6.1.2 - Admin+ Stored Cross-Site Scripting","description":"The GRAND FlaGallery WordPress plugin through 6.1.2 does not sanitise and escape some of its gallery settings, which could allow high privilege users to perform Cross-Site scripting attacks even when the unfiltered_html capability is disallowed.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00598,"percentile":0.48943,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2022-02-28T09:06:18Z","modified":"2026-06-17T03:41:06Z","products":[{"vendor":"codeasily","product":"grand_flagallery"},{"vendor":"unknown","product":"album and image gallery with lightbox – flagallery photo portfolio"}],"references":[{"url":"https://wpscan.com/vulnerability/ad67e45e-254a-46ce-a243-bfc86839446e","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24903"},{"url":"https://github.com/advisories/GHSA-p9r5-6jx9-h5wp"}],"sources":{"cve":[{"id":"CVE-2021-24903","title":"GRAND FlaGallery \u003c= 6.1.2 - Admin+ Stored Cross-Site Scripting","description":"The GRAND FlaGallery WordPress plugin through 6.1.2 does not sanitise and escape some of its gallery settings, which could allow high privilege users to perform Cross-Site scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2022-02-28T09:06:18Z","modified":"2024-08-03T19:49:13.972Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11815","description":"The GRAND FlaGallery WordPress plugin through 6.1.2 does not sanitise and escape some of its gallery settings, which could allow high privilege users to perform Cross-Site scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2022-02-28T09:06:18Z","modified":"2024-08-03T19:49:13Z","updated_at":"2026-11-03T03:24:55.415131Z"}],"ghsa":[{"id":"GHSA-p9r5-6jx9-h5wp","title":"The GRAND FlaGallery WordPress plugin through 6.1.2 does not sanitise and escape some of its...","description":"The GRAND FlaGallery WordPress plugin through 6.1.2 does not sanitise and escape some of its gallery settings, which could allow high privilege users to perform Cross-Site scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2022-03-01T00:00:32Z","modified":"2023-02-03T05:06:40Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:53:56.446132Z"}],"nvd":[{"id":"CVE-2021-24903","description":"The GRAND FlaGallery WordPress plugin through 6.1.2 does not sanitise and escape some of its gallery settings, which could allow high privilege users to perform Cross-Site scripting attacks even when the unfiltered_html capability is disallowed.","status":"published","published":"2022-02-28T09:15:08.1Z","modified":"2026-06-17T03:41:06.497Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}