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CVE Record

CVE-2025-55422: In FoxCMS 1.2.6, there is a reflected Cross Site Scripting (XSS) vulnerability in /index.php/plus.

In FoxCMS 1.2.6, there is a reflected Cross Site Scripting (XSS) vulnerability in /index.php/plus.

HighCVSS 8.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2025-55422 is a reported reflected XSS issue in FoxCMS 1.2.6 at /index.php/plus. An attacker would need a user to interact with malicious content. The CVSS score is high, but the source bundle does not show active exploitation or a named vendor fix.

Executive priority

Treat as a high-priority web application exposure if FoxCMS 1.2.6 is deployed, especially on public sites. Do not assume active exploitation from the provided evidence.

Technical view

The record describes CWE-79 reflected cross-site scripting in /index.php/plus for FoxCMS 1.2.6. CVSS 3.1 is 8.8 with network access, low complexity, no privileges required, and user interaction required. Affected product metadata is incomplete, with vendor/product/CPE listed as n/a.

Likely exposure

Likely exposure is externally reachable FoxCMS 1.2.6 installations that expose /index.php/plus. Automated asset matching may be unreliable because the CVE affected-product fields and CPEs are incomplete.

Exploitation context

The bundle does not indicate CISA KEV listing or active exploitation. Exploitation is described only as reflected XSS, which generally requires a victim user to follow or load attacker-controlled content.

Researcher notes

The CVE entry is sparse: it names FoxCMS 1.2.6 and the vulnerable path, but affected vendor/product fields are n/a and no patch is identified. Confidence is limited by incomplete source detail.

Mitigation direction

  • Identify whether FoxCMS 1.2.6 is used in any public or internal web properties.
  • Check FoxCMS/vendor guidance for a fixed release or official mitigation.
  • Prioritize patching or replacement for internet-facing deployments exposing /index.php/plus.
  • Apply standard XSS output encoding and input handling if maintaining affected code.
  • Use temporary access controls or WAF filtering while awaiting vendor guidance.

Validation and detection

  • Confirm application version and whether /index.php/plus is reachable.
  • Review scanner findings for CVE-2025-55422 and validate against actual FoxCMS deployments.
  • Use safe testing to confirm reflected content is properly encoded, without executing scripts.
  • Check web logs for suspicious requests targeting /index.php/plus.
  • Track CVE updates because affected-product and fix details are incomplete.
Prepared
Confidence
medium
Sources
3

Public sources used

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.

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cve · low confidence lookup

CVE-2025-55422 mapping review

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

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.8 (3.1)
Known Exploited
No
Published

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

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: pocAutomatable: noTechnical Impact: total

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
8.8CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

8.8High
CVSS 3.1 vector shape for CVE-2025-55422Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE-79

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