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CVE-2026-54868

WordPress FV Simpler SEO plugin <= 1.9.7 - Cross Site Scripting (XSS) vulnerability

CVSS score

6.5

EPSS probability

—

Risk score

0.7

Published

16 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

CVE AI research

The stored explanation is shown at once; refreshing evaluates the sources again.

DayBreach AI Explanation

Verified against sources

WordPress FV Simpler SEO plugin <= 1.9.7 XSS vulnerability

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

The FV Simpler SEO plugin versions 0 through 1.9.7 contain a stored XSS flaw. An attacker can store malicious script that runs in victims' browsers. It has a CVSS base score of 6.5 (medium) and is not listed in the CISA KEV as actively exploited. Patch status is UNKNOWN; no official fix has been confirmed.

Why does it matter?

Stored XSS can lead to session hijacking, credential theft, and site defacement, compromising visitor security and site reputation.

What should be done?

  • Monitor the vendor’s security advisory for updates
  • Apply a patch as soon as one is released
  • Deploy a web application firewall to block script injection
  • Sanitize user input on the server side
  • Remove the plugin if it is not essential
Chain of evidence and sources3 verified claims

FV Simpler SEO eklentisinin 0‑1.9.7 sürümleri depolanmış XSS açığına sahiptir.

S0 · daybreach-canonical

Bu açığın CVSS temel skoru 6.5 (orta) olarak belirlenmiştir.

S0 · daybreach-canonical

Resmi kaynaklarda yama durumu UNKNOWN olarak rapor edilmiştir; henüz bir düzeltme onayı bulunmamaktadır.

S0 · daybreach-canonical
Show the technical text from the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in FolioVision FV Simpler SEO fv-all-in-one-seo-pack allows Stored XSS.This issue affects FV Simpler SEO: from n/a through 1.9.7.

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

CWE: CWE-79

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-54868 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1foliovisionFV Simpler SEO View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
6.5CVSS V31MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:LNVD
6.5CVSS V3_1MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:LCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-54868 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-54868 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekiyor

Official Sources and Advisories

https://patchstack.com/database/wordpress/plugin/fv-all-in-one-seo-pack/vulnerability/wordpress-fv-simpler-seo-plugin-1-9-7-cross-site-scripting-xss-vulnerability?_s_id=cvevendor-advisory

CVSS Vector Radar Chart

6.5 / 10
Attack VectorNetworkComplexityLowPrivilegesLowUser Interact.RequiredConfidentialityLowIntegrityLowAvailabilityLow

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow privileges
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)Low
Availability (Erişilebilirlik)Low

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

F
foliovision logo
foliovision

Weakness Type (CWE & CAPEC)

CWE-79

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