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Fri, 11 Sep 2026 23:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Concrete CMS RSS Displayer block below version 9.5.3 rendered remote feed item titles without HTML escaping, resulting in stored cross-site scripting. An attacker able to control a title in a syndicated feed could execute script in the site origin for any visitor to the affected page, including administrators, without holding an account on that site. The Concrete CMS security team gave this vulnerability a CVSS v4.0 score of 6.0 with vector CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks riodrwn for reporting. | |
| Title | Concrete CMS 9.5.2 and below is vulnerable to Stored XSS in RSS Displayer Block via Unescaped Remote Feed Item title | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV4_0
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Subscriptions
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Status: PUBLISHED
Assigner: ConcreteCMS
Published:
Updated: 2026-09-11T19:26:50.432Z
Reserved: 2026-07-30T18:04:50.762Z
Link: CVE-2026-68528
Updated: 2026-09-11T19:26:42.479Z
Status : Deferred
Published: 2026-09-11T18:16:57.643
Modified: 2026-09-11T20:17:22.430
Link: CVE-2026-68528
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OpenCVE Enrichment
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CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')