{"id":"CVE-2026-106155","aliases":["EUVD-2026-95524","GHSA-97qc-r4xh-88c5"],"status":"published","title":"Stored Cross-site Scripting (XSS) in Telerik Report Server Web Report Viewers","description":"In Progress® Telerik® Report Server prior to version 12.2.26.1007, a stored cross-site scripting vulnerability in the shared reporting engine allows an authenticated report author to embed javascript: or vbscript: URLs in report navigation actions or HTML text box links. When another user views the malicious report and the embedded navigation is triggered, attacker-controlled script can execute in the web report viewer's origin. In a multi-user Report Server deployment, this can enable privilege escalation by performing actions in a higher-privilege user's authenticated session, including an administrator's session.","severity":{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00199,"percentile":0.09828,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-10-09T07:07:57Z","modified":"2026-10-09T18:17:02Z","products":[{"vendor":"progress software","product":"telerik report server"},{"vendor":"progress software corporation","product":"telerik report server"}],"references":[{"url":"https://www.telerik.com/report-server/documentation/knowledge-base/kb-security-improper-neutralization-of-input-cve-2026-106155","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106155"},{"url":"https://github.com/advisories/GHSA-97qc-r4xh-88c5"}],"sources":{"cve":[{"id":"CVE-2026-106155","title":"Stored Cross-site Scripting (XSS) in Telerik Report Server Web Report Viewers","description":"In Progress® Telerik® Report Server prior to version 12.2.26.1007, a stored cross-site scripting vulnerability in the shared reporting engine allows an authenticated report author to embed javascript: or vbscript: URLs in report navigation actions or HTML text box links. When another user views the malicious report and the embedded navigation is triggered, attacker-controlled script can execute in the web report viewer's origin. In a multi-user Report Server deployment, this can enable privilege escalation by performing actions in a higher-privilege user's authenticated session, including an administrator's session.","status":"published","published":"2026-10-09T07:07:57.817Z","modified":"2026-10-09T18:03:02.317Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:04.156238Z"}],"euvd":[{"id":"EUVD-2026-95524","description":"In Progress® Telerik® Report Server prior to version 12.2.26.1007, a stored cross-site scripting vulnerability in the shared reporting engine allows an authenticated report author to embed javascript: or vbscript: URLs in report navigation actions or HTML text box links. When another user views the malicious report and the embedded navigation is triggered, attacker-controlled script can execute in the web report viewer's origin. In a multi-user Report Server deployment, this can enable privilege escalation by performing actions in a higher-privilege user's authenticated session, including an administrator's session.","status":"published","published":"2026-10-09T07:07:57Z","modified":"2026-10-09T18:03:02Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T17:27:24.64208Z"}],"ghsa":[{"id":"GHSA-97qc-r4xh-88c5","title":"In Progress® Telerik® Report Server prior to version 12.2.26.1007, a stored cross-site scripting...","description":"In Progress® Telerik® Report Server prior to version 12.2.26.1007, a stored cross-site scripting vulnerability in the shared reporting engine allows an authenticated report author to embed javascript: or vbscript: URLs in report navigation actions or HTML text box links. When another user views the malicious report and the embedded navigation is triggered, attacker-controlled script can execute in the web report viewer's origin. In a multi-user Report Server deployment, this can enable privilege escalation by performing actions in a higher-privilege user's authenticated session, including an administrator's session.","status":"published","published":"2026-10-09T09:31:04Z","modified":"2026-10-09T09:31:12Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:12:59.985635Z"}],"nvd":[{"id":"CVE-2026-106155","description":"In Progress® Telerik® Report Server prior to version 12.2.26.1007, a stored cross-site scripting vulnerability in the shared reporting engine allows an authenticated report author to embed javascript: or vbscript: URLs in report navigation actions or HTML text box links. When another user views the malicious report and the embedded navigation is triggered, attacker-controlled script can execute in the web report viewer's origin. In a multi-user Report Server deployment, this can enable privilege escalation by performing actions in a higher-privilege user's authenticated session, including an administrator's session.","status":"published","published":"2026-10-09T08:16:54.377Z","modified":"2026-10-09T18:17:02.077Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:55.473789Z"}]}}