{"cve":"CVE-2009-4363","nvd":{"published":"2009-12-21T16:30:00.483","modified":"2026-06-16T23:13:31.567","status":"Modified","description":"Text_Filter/lib/Horde/Text/Filter/Xss.php in Horde Application Framework before 3.3.6, Horde Groupware before 1.2.5, and Horde Groupware Webmail Edition before 1.2.5 does not properly handle data: URIs, which allows remote attackers to conduct cross-site scripting (XSS) attacks via data:text/html values for the HREF attribute of an A element in an HTML e-mail message.  NOTE: the vendor states that the issue is caused by \"an XSS vulnerability in Firefox browsers.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["http://bugs.horde.org/ticket/8715","http://bugs.horde.org/view.php?actionID=view_file&type=patch&file=0002-Bug-8715-Fix-XSS-vulnerability%5B1%5D.patch&ticket=8715","http://cvs.horde.org/diff.php/horde/docs/CHANGES?r1=1.515.2.559&r2=1.515.2.589&ty=h","http://lists.horde.org/archives/announce/2009/000529.html","http://marc.info/?l=horde-announce&m=126100750018478&w=2"],"products":["horde:application_framework","horde:groupware"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2009-4363","score":0.0137,"percentile":0.71925,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}