{"id":"CVE-2021-34634","aliases":["EUVD-2021-21284","GHSA-qv96-733j-36x6"],"status":"published","title":"Nifty Newsletters \u003c= 4.0.23 - Cross-Site Request Forgery to Stored Cross-Site Scripting","description":"The Nifty Newsletters WordPress plugin is vulnerable to Cross-Site Request Forgery via the sola_nl_wp_head function found in the ~/sola-newsletters.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 4.0.23.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.007,"percentile":0.53592,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2021-08-05T20:13:56Z","modified":"2026-06-17T03:56:16Z","products":[{"vendor":"sola-newsletters_project","product":"sola-newsletters"},{"vendor":"solaplugins","product":"nifty newsletters"}],"references":[{"url":"https://plugins.trac.wordpress.org/browser/sola-newsletters/trunk/sola-newsletters.php#L774","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34634","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34634"},{"url":"https://github.com/advisories/GHSA-qv96-733j-36x6"}],"sources":{"cve":[{"id":"CVE-2021-34634","title":"Nifty Newsletters \u003c= 4.0.23 - Cross-Site Request Forgery to Stored Cross-Site Scripting","description":"The Nifty Newsletters WordPress plugin is vulnerable to Cross-Site Request Forgery via the sola_nl_wp_head function found in the ~/sola-newsletters.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 4.0.23.","status":"published","published":"2021-08-05T20:13:56.348Z","modified":"2024-09-17T01:16:37.35Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21284","description":"The Nifty Newsletters WordPress plugin is vulnerable to Cross-Site Request Forgery via the sola_nl_wp_head function found in the ~/sola-newsletters.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 4.0.23.","status":"published","published":"2021-08-05T20:13:56Z","modified":"2024-09-17T01:16:37Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:51.310992Z"}],"ghsa":[{"id":"GHSA-qv96-733j-36x6","title":"The Nifty Newsletters WordPress plugin is vulnerable to Cross-Site Request Forgery via the...","description":"The Nifty Newsletters WordPress plugin is vulnerable to Cross-Site Request Forgery via the sola_nl_wp_head function found in the ~/sola-newsletters.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 4.0.23.","status":"published","published":"2022-05-24T19:10:04Z","modified":"2023-01-30T05:01:13Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:46:22.009402Z"}],"nvd":[{"id":"CVE-2021-34634","description":"The Nifty Newsletters WordPress plugin is vulnerable to Cross-Site Request Forgery via the sola_nl_wp_head function found in the ~/sola-newsletters.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 4.0.23.","status":"published","published":"2021-08-05T21:15:12.21Z","modified":"2026-06-17T03:56:16.293Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}