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PatchSiren cyber security CVE debrief

CVE-2025-63260 Syncfusion CVE debrief

CVE-2025-63260 is a Cross Site Scripting (XSS) vulnerability in SyncFusion 30.1.37. The vulnerability exists in the Document-Editor reply to comment field and Chat-UI Chat message. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 5.4, indicating a Medium severity level. This vulnerability requires user interaction and can result in limited confidentiality and integrity impacts. Users of SyncFusion 30.1.37 should be aware of this vulnerability and take necessary precautions to prevent exploitation. The CVE record was published on 2026-03-20T20:16:47.087Z and has not been modified since then. Limited information is available about the vulnerability, and further investigation is recommended.

Vendor
Syncfusion
Product
30.1.37
CVSS
MEDIUM 5.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-20
Original CVE updated
2026-07-05
Advisory published
2026-03-20
Advisory updated
2026-07-05

Who should care

Users of SyncFusion 30.1.37 should be aware of this vulnerability and take necessary precautions to prevent exploitation. This vulnerability requires user interaction and can result in limited confidentiality and integrity impacts.

Technical summary

The CVE-2025-63260 vulnerability is caused by improper input validation in the Document-Editor reply to comment field and Chat-UI Chat message of SyncFusion 30.1.37. An attacker with low privileges can exploit this vulnerability by providing a specially crafted input, which can lead to limited confidentiality and integrity impacts.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it requires user interaction and can result in limited impacts.

Recommended defensive actions

  • Apply the latest patch or update provided by SyncFusion to vulnerable systems.
  • Implement input validation and sanitization for user-supplied input in the Document-Editor reply to comment field and Chat-UI Chat message.
  • Monitor systems for suspicious activity and implement compensating controls if necessary.
  • Restrict access to vulnerable systems and limit user privileges.
  • Perform regular vulnerability assessments and penetration testing to identify potential vulnerabilities.

Evidence notes

The CVE-2025-63260 vulnerability was reported by an unknown source and is listed in the National Vulnerability Database (NVD). The CVSS score for this vulnerability is 5.4, indicating a Medium severity level. Limited information is available about the vulnerability, and further investigation is recommended.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-63260 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-63260

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-63260 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-63260

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.