{"id":"CVE-2022-4544","aliases":["EUVD-2022-51879","GHSA-c96g-3xq2-pgqq"],"status":"published","title":"MashShare \u003c 3.8.7 - Contributor+ Stored XSS","description":"The MashShare WordPress plugin before 3.8.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.","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":"2026-11-08","score":0.00539,"percentile":0.45643,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-01-16T15:38:04Z","modified":"2026-06-17T05:21:09Z","products":[{"vendor":"dearhive","product":"social media share buttons | mashshare"},{"vendor":"unknown","product":"social media share buttons | mashshare"},{"vendor":"wpchill","product":"mashshare"}],"references":[{"url":"https://wpscan.com/vulnerability/96e34d3d-627f-42f2-bfdb-c9d47dbf396c","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4544"},{"url":"https://github.com/advisories/GHSA-c96g-3xq2-pgqq"}],"sources":{"cve":[{"id":"CVE-2022-4544","title":"MashShare \u003c 3.8.7 - Contributor+ Stored XSS","description":"The MashShare WordPress plugin before 3.8.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.","status":"published","published":"2023-01-16T15:38:04.5Z","modified":"2025-04-04T17:48:09.67Z","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":"adp"}],"updated_at":"2026-11-02T14:34:37.599536Z"}],"euvd":[{"id":"EUVD-2022-51879","description":"The MashShare WordPress plugin before 3.8.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.","status":"published","published":"2023-01-16T15:38:04Z","modified":"2025-04-04T17:48:09Z","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"}],"updated_at":"2026-11-02T20:52:42.420681Z"}],"ghsa":[{"id":"GHSA-c96g-3xq2-pgqq","title":"The MashShare WordPress plugin before 3.8.7 does not validate and escape some of its shortcode...","description":"The MashShare WordPress plugin before 3.8.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.","status":"published","published":"2023-01-16T18:30:26Z","modified":"2023-02-02T05:06:15Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:52:16.705925Z"}],"nvd":[{"id":"CVE-2022-4544","description":"The MashShare WordPress plugin before 3.8.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.","status":"published","published":"2023-01-16T16:15:13.223Z","modified":"2026-06-17T05:21:09.21Z","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":"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":"secondary"}],"updated_at":"2026-11-02T14:07:35.157734Z"}]}}