CVE-2025-6725
Cross-Site Scripting (XSS) in PdfViewer
No known exploitation. EPSS puts it in the 14th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
In the PdfViewer component, a Cross-Site Scripting (XSS) vulnerability is possible if a specially-crafted document has already been loaded and the user engages with a tool that requires the DOM to be re-rendered.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.2% chance of exploitation activity in the next 30 days, which ranks it in the 14th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1 day, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- Kendo UI for jQueryOSS Libraries / generic-library
- Kendo UI for AngularOSS Libraries / generic-library
- KendoReactNetworking Infrastructure / load-balancer-proxy
- Telerik UI for ASP.NET MVCOSS Libraries / generic-library
- Telerik UI for ASP.NET CoreOSS Libraries / generic-library
- Telerik UI for BlazorOSS Libraries / generic-library
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Scored 5.4 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity LowData modification is possible but limited in scope or consequence
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- telerik.com/aspnet-core-ui/documentation/knowledge-base/kb-security-pdfviewer-xss-cve-2025-6725
- telerik.com/aspnet-mvc/documentation/knowledge-base/kb-security-pdfviewer-xss-cve-2025-6725
- telerik.com/blazor-ui/documentation/knowledge-base/pdfviewer-xss-vulnerability-cve-2025-6725
And 4 more references. See all after sign-in
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