{"id":"CVE-2019-16520","aliases":["EUVD-2019-7197","GHSA-m78p-fvq8-rg9f"],"status":"published","title":"The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is...","description":"The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.","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":0.01532,"percentile":0.74957,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2019-10-16T13:58:06Z","modified":"2026-10-20T10:50:53Z","products":[{"vendor":"semperplugins","product":"all_in_one_seo_pack"}],"references":[{"url":"https://wordpress.org/plugins/all-in-one-seo-pack/#developers","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","advisory"]},{"url":"https://semperplugins.com/all-in-one-seo-pack-changelog/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"https://github.com/semperfiwebdesign/all-in-one-seo-pack/issues/2888","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/sbaresearch/advisories/tree/public/2019/SBA-ADV-20190913-04_WordPress_Plugin_All_in_One_SEO_Pack","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"http://www.openwall.com/lists/oss-security/2019/10/16/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Mailing List","Third Party Advisory","evidence"]},{"url":"https://wpvulndb.com/vulnerabilities/9915","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16520"},{"url":"https://semperplugins.com/all-in-one-seo-pack-changelog"},{"url":"https://github.com/advisories/GHSA-m78p-fvq8-rg9f"}],"sources":{"cve":[{"id":"CVE-2019-16520","description":"The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.","status":"published","published":"2019-10-16T13:58:06Z","modified":"2024-08-05T01:17:40.265Z","updated_at":"2026-11-02T14:32:23.189113Z"}],"euvd":[{"id":"EUVD-2019-7197","description":"The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.","status":"published","published":"2019-10-16T13:58:06Z","modified":"2024-08-05T01:17:40Z","updated_at":"2026-11-03T02:40:32.752495Z"}],"ghsa":[{"id":"GHSA-m78p-fvq8-rg9f","title":"The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is...","description":"The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.","status":"published","published":"2022-05-24T16:58:55Z","modified":"2024-04-04T02:28:53Z","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":"2026-11-02T14:56:08.21797Z"}],"nvd":[{"id":"CVE-2019-16520","description":"The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.","status":"published","published":"2019-10-16T14:15:13.777Z","modified":"2026-06-17T02:22:21.257Z","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":"2026-11-02T14:05:31.860711Z"}],"osv":[{"id":"CVE-2019-16520","description":"The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored XSS due to improper encoding of the SEO-specific description for posts provided by the plugin via unsafe placeholder replacement.","status":"published","published":"2019-10-16T14:15:13.777Z","modified":"2026-10-20T10:50:53.680470058Z","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":"2026-11-02T15:44:11.361782Z"}]}}