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CVE Record

CVE-2023-25442: WordPress Zeno Font Resizer Plugin <= 1.7.9 is vulnerable to Cross Site Scripting (XSS)

Auth. (admin+) Stored Cross-site Scripting (XSS) vulnerability in Marcel Pol Zeno Font Resizer plugin <= 1.7.9 versions.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-25442 is a stored cross-site scripting issue in the WordPress Zeno Font Resizer plugin version 1.7.9 and earlier. The source describes it as requiring administrator-level access, so risk is concentrated in sites where admin accounts may be compromised or shared.

Executive priority

Treat as a moderate-priority WordPress plugin issue. Prioritize sites with exposed admin panels, weak admin controls, or broad administrator access. It is not described as actively exploited in the supplied sources.

Technical view

The vulnerability is CWE-79 stored XSS in Marcel Pol's Zeno Font Resizer WordPress plugin <=1.7.9. CVSS 3.1 is 5.9 with network attack vector, low complexity, high privileges, required user interaction, and changed scope.

Likely exposure

Exposure is likely limited to WordPress sites running the Zeno Font Resizer plugin <=1.7.9. The source bundle does not identify affected CPEs or a named fixed version.

Exploitation context

The provided data does not show CISA KEV listing or active exploitation. The CVSS vector indicates exploitation requires high privileges and user interaction, reducing broad internet-scale urgency but still creating risk after admin compromise.

Researcher notes

Evidence is limited to CVE metadata and Patchstack reference data. Do not assume public exploit availability, active exploitation, or a fixed version from the supplied bundle alone. Focus validation on plugin presence, version, admin access paths, and stored content review.

Mitigation direction

  • Inventory WordPress sites for the Zeno Font Resizer plugin and deployed version.
  • Check vendor, WordPress plugin, or Patchstack guidance for a fixed release or official workaround.
  • Update the plugin if a fixed version is available from trusted vendor channels.
  • Disable or remove the plugin where it is not business-critical.
  • Restrict administrator access and review MFA coverage for WordPress admin accounts.

Validation and detection

  • Confirm whether any site runs zeno-font-resizer version 1.7.9 or earlier.
  • Review WordPress admin audit logs for unexpected plugin setting changes.
  • Check pages using the plugin for unexpected stored script content.
  • Verify administrators are limited to trusted accounts with MFA enabled.
  • Document remediation status for each affected WordPress instance.
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-2023-25442 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
5.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/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
5.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2023-25442Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/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
Marcel PolZeno Font Resizerzeno-font-resizer, n/aunaffected
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.