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CVE Record

CVE-2025-63260: SyncFusion 30.1.37 is vulnerable to Cross Site Scripting (XSS) via the Document-Editor reply to comment fie...

SyncFusion 30.1.37 is vulnerable to Cross Site Scripting (XSS) via the Document-Editor reply to comment field and Chat-UI Chat message.

MediumCVSS 5.4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE describes stored cross-site scripting in SyncFusion 30.1.37. A logged-in attacker could place malicious content in comment replies or chat messages that later runs in another user’s browser. Business impact is moderate because exploitation needs privileges and user interaction, but it can affect confidentiality and integrity.

Executive priority

Treat as a medium-priority remediation item for applications with authenticated users sharing documents or chat. Escalate if the affected components handle sensitive data, administrative workflows, or external users.

Technical view

CWE-79 stored XSS affects the Document-Editor reply-to-comment field and Chat-UI chat message in SyncFusion 30.1.37. CVSS 3.1 is 5.4 with network access, low complexity, low privileges, required user interaction, changed scope, and low confidentiality and integrity impact.

Likely exposure

Exposure is most likely in applications embedding SyncFusion 30.1.37 Document-Editor commenting or Chat-UI messaging. The source bundle does not identify broader product names, CPEs, affected version ranges, or fixed versions.

Exploitation context

The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The risk is stored XSS: malicious content persists in an application field and executes when another user views it.

Researcher notes

Evidence is limited to the CVE metadata and one referenced advisory PDF. The bundle names SyncFusion 30.1.37 and two affected input surfaces, but does not provide CPEs, fixed versions, or confirmed exploitation.

Mitigation direction

  • Inventory applications using SyncFusion 30.1.37 Document-Editor or Chat-UI.
  • Check Syncfusion guidance and release notes for fixed versions or official mitigations.
  • Prioritize vendor-provided updates after staging regression testing.
  • Restrict access to affected commenting or chat features where business permits.
  • Apply browser-side defense-in-depth such as appropriate Content Security Policy.

Validation and detection

  • Confirm whether deployed applications use SyncFusion 30.1.37.
  • Identify pages exposing Document-Editor comment replies or Chat-UI messages.
  • Verify untrusted comment and chat content renders as inert text in staging.
  • Review dependency manifests and bundled client assets for SyncFusion versions.
  • Monitor vendor advisories for clarified affected ranges and fixes.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2025-63260 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

5.4Medium
CVSS 3.1 vector shape for CVE-2025-63260Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.