{"id":"CVE-2011-5026","aliases":["EUVD-2011-4931","GHSA-p6cg-c78j-hqmv"],"status":"published","title":"Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn...","description":"Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn GuestBook before 2.4.8d allows remote attackers to inject arbitrary web script or HTML via the name parameter to index.php.  NOTE: some of these details are obtained from third party information.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01602,"percentile":0.75982,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2011-12-29T02:00:00Z","modified":"2026-06-16T23:35:47Z","exploits":[{"source":"exploitdb","id":"EDB-18290","title":"Winn Guestbook 2.4.8c - Persistent Cross-Site Scripting","type":"webapps","platform":"php","date":"2011-12-29","verified":true,"url":"https://www.exploit-db.com/exploits/18290"}],"products":[{"vendor":"winn","product":"winn_guestbook"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/72025","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://code.google.com/p/winn-guestbook/issues/detail?id=34","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://osvdb.org/78070","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.exploit-db.com/exploits/18290","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"http://secunia.com/advisories/47391","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-5026"},{"url":"https://github.com/advisories/GHSA-p6cg-c78j-hqmv"}],"sources":{"cve":[{"id":"CVE-2011-5026","description":"Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn GuestBook before 2.4.8d allows remote attackers to inject arbitrary web script or HTML via the name parameter to index.php.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2011-12-29T02:00:00Z","modified":"2024-08-07T00:23:39.328Z","updated_at":"2026-11-02T14:35:36.252742Z"}],"euvd":[{"id":"EUVD-2011-4931","description":"Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn GuestBook before 2.4.8d allows remote attackers to inject arbitrary web script or HTML via the name parameter to index.php.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2011-12-29T02:00:00Z","modified":"2024-08-07T00:23:39Z","updated_at":"2026-11-03T01:39:47.649601Z"}],"ghsa":[{"id":"GHSA-p6cg-c78j-hqmv","title":"Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn...","description":"Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn GuestBook before 2.4.8d allows remote attackers to inject arbitrary web script or HTML via the name parameter to index.php.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2022-05-17T01:51:15Z","modified":"2023-02-03T05:05:51Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:53:48.348375Z"}],"nvd":[{"id":"CVE-2011-5026","description":"Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn GuestBook before 2.4.8d allows remote attackers to inject arbitrary web script or HTML via the name parameter to index.php.  NOTE: some of these details are obtained from third party information.","status":"published","published":"2011-12-29T04:15:05.173Z","modified":"2026-06-16T23:35:47.877Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:02:11.800512Z"}]}}