{"cve":"CVE-2011-1492","nvd":{"published":"2011-04-08T15:17:28.447","modified":"2026-06-16T23:29:29.260","status":"Modified","description":"steps/utils/modcss.inc in Roundcube Webmail before 0.5.1 does not properly verify that a request is an expected request for an external Cascading Style Sheets (CSS) stylesheet, which allows remote authenticated users to trigger arbitrary outbound TCP connections from the server, and possibly obtain sensitive information, via a crafted request.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://openwall.com/lists/oss-security/2011/03/24/3","http://openwall.com/lists/oss-security/2011/03/24/4","http://openwall.com/lists/oss-security/2011/04/04/50","http://secunia.com/advisories/44050","http://trac.roundcube.net/changeset/4488"],"products":["roundcube:webmail"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1492","score":0.01763,"percentile":0.78042,"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."]}