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CVE Record

CVE-2025-31549: WordPress Fusion plugin <= 1.6.4 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Agency Dominion Inc. Fusion fusion allows DOM-Based XSS.This issue affects Fusion: from n/a through <= 1.6.4.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2025-31549 is a DOM-based cross-site scripting issue in the WordPress Fusion plugin from Agency Dominion Inc. A lower-privileged user and victim interaction are required, but successful exploitation could affect confidentiality, integrity, and availability in the victim's browser context.

Executive priority

Treat as a moderate-priority WordPress plugin issue. Prioritize internet-facing or customer-facing WordPress sites, especially where many users can authenticate. The business risk is browser-side compromise through interaction, not confirmed active exploitation.

Technical view

The CVE describes improper input neutralization during web page generation, classified as CWE-79. It affects Fusion versions through 1.6.4 and has CVSS 3.1 score 6.5 with AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

Likely exposure

Exposure is most likely on WordPress sites running the Agency Dominion Inc. Fusion plugin, package name fusion, at versions through 1.6.4. Sites without this plugin are not indicated as affected by the provided sources.

Exploitation context

The source bundle does not show CISA KEV listing or cite active exploitation. The CVSS vector indicates network reachability, low attack complexity, required low privileges, and required user interaction, consistent with a targeted XSS risk rather than unauthenticated mass compromise.

Researcher notes

Evidence is limited to the CVE record, CVE List V5 entry, and Patchstack reference. The bundle says affected through 1.6.4, while the Patchstack URL slug references 1.6.3; confirm authoritative fixed-version guidance before closing remediation.

Mitigation direction

  • Inventory WordPress sites for the Fusion plugin and installed version.
  • Check vendor and Patchstack guidance for a fixed release or official mitigation.
  • Disable or remove the plugin where it is not business-critical.
  • Restrict accounts that can access plugin-related functionality until remediated.
  • Monitor web and admin activity for suspicious script injection indicators.

Validation and detection

  • Confirm whether Fusion is installed on each WordPress site.
  • Compare installed versions against the reported affected range through 1.6.4.
  • Review the CVE and Patchstack entries for updated fixed-version status.
  • Verify remediation by confirming the plugin is updated, disabled, or removed.
  • Document any remaining accepted risk for sites still running affected versions.
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-2025-31549 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
6.5 (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:L

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
0Timeline events
0ADP providers
2Source links

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
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2025-31549Attack 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:L

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

Products and packages named in the record

VendorProductVersion / packageStatus
Agency Dominion Inc.Fusionfusion, 0unaffected
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.