{"id":"CVE-2021-24659","aliases":["EUVD-2021-11571","GHSA-3p5r-wcf3-c745"],"status":"published","title":"PostX Gutenberg Blocks for Post Grid \u003c 2.4.10 - Contributor+ Stored Cross-Site Scripting","description":"The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.","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":"2026-11-12","score":0.00547,"percentile":0.46362,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-09-27T15:25:32Z","modified":"2026-06-17T03:40:24Z","products":[{"vendor":"post grid team by wpxpo","product":"postx – gutenberg blocks for post grid"},{"vendor":"unknown","product":"postx – gutenberg blocks for post grid"},{"vendor":"wpxpo","product":"postx_-_gutenberg_blocks_for_post_grid"}],"references":[{"url":"https://wpscan.com/vulnerability/5f2fe510-7513-4d33-82d9-3107b3b3f2ae","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24659"},{"url":"https://github.com/advisories/GHSA-3p5r-wcf3-c745"}],"sources":{"cve":[{"id":"CVE-2021-24659","title":"PostX Gutenberg Blocks for Post Grid \u003c 2.4.10 - Contributor+ Stored Cross-Site Scripting","description":"The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.","status":"published","published":"2021-09-27T15:25:32Z","modified":"2024-08-03T19:35:20.408Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11571","description":"The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.","status":"published","published":"2021-09-27T15:25:32Z","modified":"2024-08-03T19:35:20Z","updated_at":"2026-11-03T03:24:56.31224Z"}],"ghsa":[{"id":"GHSA-3p5r-wcf3-c745","title":"The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a...","description":"The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.","status":"published","published":"2022-05-24T22:28:09Z","modified":"2023-01-30T05:05:32Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:47:18.26887Z"}],"nvd":[{"id":"CVE-2021-24659","description":"The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10 allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's block.","status":"published","published":"2021-09-27T16:15:08.95Z","modified":"2026-06-17T03:40:24.42Z","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":"2026-11-02T14:06:58.933037Z"}]}}