{"id":"CVE-2021-24988","aliases":["EUVD-2021-11900","GHSA-gp23-wr4g-cj6r"],"status":"published","title":"WP RSS Aggregator \u003c 4.19.3 - Subscriber+ Stored Cross-Site Scripting","description":"The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.","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":"2026-11-11","score":0.00302,"percentile":0.23204,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352","CWE-79","CWE-862"],"published":"2021-12-27T10:33:24Z","modified":"2026-06-17T03:41:16Z","products":[{"vendor":"unknown","product":"wp rss aggregator – news feeds, autoblogging, youtube video feeds and more"},{"vendor":"wprssaggregator","product":"wp_rss_aggregator"}],"references":[{"url":"https://wpscan.com/vulnerability/0742483b-6314-451b-a63a-536fd1e14845","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24988"},{"url":"https://github.com/advisories/GHSA-gp23-wr4g-cj6r"}],"sources":{"cve":[{"id":"CVE-2021-24988","title":"WP RSS Aggregator \u003c 4.19.3 - Subscriber+ Stored Cross-Site Scripting","description":"The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.","status":"published","published":"2021-12-27T10:33:24Z","modified":"2024-08-03T19:49:14.547Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11900","description":"The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.","status":"published","published":"2021-12-27T10:33:24Z","modified":"2024-08-03T19:49:14Z","updated_at":"2026-11-03T03:24:54.862767Z"}],"ghsa":[{"id":"GHSA-gp23-wr4g-cj6r","title":"The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before...","description":"The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.","status":"published","published":"2021-12-28T00:00:37Z","modified":"2023-01-28T05:07:09Z","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"}],"cwes":["CWE-79","CWE-352"],"updated_at":"2026-11-02T14:44:29.724528Z"}],"nvd":[{"id":"CVE-2021-24988","description":"The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.","status":"published","published":"2021-12-27T11:15:09.357Z","modified":"2026-06-17T03:41:16.23Z","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","CWE-352","CWE-862"],"updated_at":"2026-11-02T14:07:02.977492Z"}]}}