{"id":"CVE-2021-24751","aliases":["EUVD-2021-11663","GHSA-f648-43x4-7j96"],"status":"published","title":"GenerateBlocks \u003c 1.4.0 - Contributor+ Stored Cross-Site Scripting","description":"The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container block's tagName attribute, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00624,"percentile":0.5022,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-11-29T08:25:33Z","modified":"2026-06-17T03:40:50Z","products":[{"vendor":"edge22","product":"generateblocks"},{"vendor":"generateblocks","product":"generateblocks"},{"vendor":"unknown","product":"generateblocks"}],"references":[{"url":"https://wpscan.com/vulnerability/e0131980-d2d3-4780-8a68-a81ee8c90b7a","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24751"},{"url":"https://github.com/advisories/GHSA-f648-43x4-7j96"}],"sources":{"cve":[{"id":"CVE-2021-24751","title":"GenerateBlocks \u003c 1.4.0 - Contributor+ Stored Cross-Site Scripting","description":"The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container block's tagName attribute, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks.","status":"published","published":"2021-11-29T08:25:33Z","modified":"2024-08-03T19:42:16.566Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11663","description":"The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container block's tagName attribute, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks.","status":"published","published":"2021-11-29T08:25:33Z","modified":"2024-08-03T19:42:16Z","updated_at":"2026-11-03T03:24:55.867627Z"}],"ghsa":[{"id":"GHSA-f648-43x4-7j96","title":"The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container...","description":"The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container block's tagName attribute, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks.","status":"published","published":"2021-11-30T00:00:52Z","modified":"2023-02-01T05:06:38Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:23.506103Z"}],"nvd":[{"id":"CVE-2021-24751","description":"The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container block's tagName attribute, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks.","status":"published","published":"2021-11-29T09:15:07.313Z","modified":"2026-06-17T03:40:50.737Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/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":"2026-11-02T14:07:01.811115Z"}]}}