CVE-2025-54693

Description

Unrestricted Upload of File with Dangerous Type vulnerability in epiphyt Form Block form-block allows Upload a Web Shell to a Web Server.This issue affects Form Block: from n/a through <= 1.5.5.

Overview

State: PUBLISHED
Assigner (CNA): Patchstack
CVSS severity: CRITICAL
CVSS score: 9.0 / 10
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Effective score: 9.0 / 10 CRITICAL source: CNA overview
CWE(s): CWE-434
Reserved: 2025-07-28
Published: 2025-08-14 12:34 UTC
Last updated: 2026-04-28 18:13 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/54xxx/CVE-2025-54693.json
Linked Threat: CVE-2025-54693 — Form Block <= 1.5.5 - Unauthenticated Arbitrary File Upload

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2025-08-14 11:15:50 UTC
NVD last modified: 2026-06-17 09:40:32 UTC
NVD CVSS v3.1: 9.0 / 10 CRITICAL source: audit@patchstack.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitability subscore: 2.2 / 10
Impact subscore: 6.0 / 10
EPSS score: 0.0029 (probability of exploitation in next 30 days)
EPSS percentile: 21.66% vs all CVEs — higher = more likely to be exploited, as of 2026-07-26

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2025-24701
Assigner: Patchstack
Published: Aug 14, 2025, 10:34:51 AM
Updated: Apr 28, 2026, 4:13:34 PM
EUVD base score (CVSS 3.1): 9.0 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EUVD-reported EPSS: 0.0900
Vendors: Epiphyt
Products: Form Block (n/a ≤1.5.5)

Form Block (0 ≤1.5.5)
Aliases: GHSA-3274-pvqm-8xhj

ENISA description: Unrestricted Upload of File with Dangerous Type vulnerability in epiphyt Form Block form-block allows Upload a Web Shell to a Web Server.This issue affects Form Block: from n/a through <= 1.5.5.

EUVD references (1)

https://patchstack.com/database/Wordpress/Plugin/form-block/vulnerability/wordpress-form-block-plugin-1-5-5-arbitrary-file-upload-vulnerability?_s_id=cve

Affected products (1)

Vendor	Product	Versions	Platforms
epiphyt	Form Block	`0` (affected)	—

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://patchstack.com/database/Wordpress/Plugin/form-block/vulnerability/wordpress-form-block-plugin-1-5-5-arbitrary-file-upload-vulnerability?_s_id=cve vdb-entry

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://patchstack.com/database/Wordpress/Plugin/form-block/vulnerability/wordpress-form-block-plugin-1-5-5-arbitrary-file-upload-vulnerability?_s_id=cve vdb-entry

Web references (5)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

http://cwe.mitre.org/data/definitions/434.html rapid7:cwe.mitre.org
https://attackerkb.com/topics/CVE-2025-54693 rapid7:attackerkb.com
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-24701 rapid7:euvd.enisa.europa.eu
https://www.cve.org/CVERecord?id=CVE-2025-54693 rapid7:www.cve.org
https://www.wordfence.com/threat-intel/vulnerabilities/id/5566a55e-81bb-4e14-98e1-1a548541e243?source=api-prod rapid7:www.wordfence.com

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://patchstack.com/database/Wordpress/Plugin/form-block/vulnerability/wordpress-form-block-plugin-1-5-5-arbitrary-file-upload-vulnerability?_s_id=cve audit@patchstack.com

Indicators (2)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
domain	`server.this`	no local data	2026-05-18 21:19 UTC
cve	`CVE-2025-54693`	no local data	2026-06-06 13:35 UTC

Remediations (14)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Wordfence remediation: Form Block

Wordfence

Update to version 1.5.6, or a newer patched version

2026-06-06 13:35 UTC
Microsoft March 2025 Patch Tuesday fixes 7 zero-days, 57 flaws

web:www.bleepingcomputer.com

Today is Microsoft's March 2025 Patch Tuesday, which includes security updates for 57 flaws, including six actively exploited zero-day vulnerabilities.

2026-05-22 14:32 UTC
Microsoft Patches 83 Vulnerabilities - SecurityWeek

web:www.securityweek.com

Microsoft has rolled out fixes for 83 vulnerabilities in its products, including a critical bug, but none of them require urgent attention.

2026-05-22 14:32 UTC
Patch Alert: Microsoft Fixes Nearly 80 Bugs, Including ... - TechRepublic

web:www.techrepublic.com

Microsoft's March Patch Tuesday fixes 78 vulnerabilities, including Office preview pane flaws, an Excel Copilot data leak risk, and an AI-discovered 9.8 severity bug.

2026-05-22 14:32 UTC
Android Security Bulletin—November 2025 - Android Open Source Project

web:source.android.com

Android partners are encouraged to fix all issues in this bulletin and use the latest security patch level. Devices that use the 2025 -11-01 security patch level must include all issues associated with that security patch level, as well as fixes for all issues reported in previous security bulletins.

2026-05-22 02:41 UTC
Windows 11 KB5079473 & KB5078883 cumulative updates released

web:www.bleepingcomputer.com

Microsoft has released Windows 11 KB5079473 and KB5078883 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features.

2026-05-22 02:41 UTC
Microsoft and Adobe Patch Tuesday, September 2025 Security Update ...

web:blog.qualys.com

EVALUATE Vendor-Suggested Mitigation with Policy Audit With Qualys Policy Audit's Out-of-the-Box Mitigation or Compensatory Controls, reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done now; these security controls are not recommended by any industry standards, such as CIS, DISA-STIG.

2026-05-22 02:41 UTC
Emergency patch issued for Microsoft Office, 365 over hacking threat - MSN

web:www.msn.com

Microsoft suggests the threat is being used in phishing attacks against vulnerable systems since successful exploitation requires local access to the PC.

2026-05-22 02:41 UTC
Oracle Critical Patch Update Advisory - October 2025

web:www.oracle.com

This Critical Patch Update contains 374 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at October 2025 Critical Patch Update: Executive Summary and Analysis.

2026-05-22 02:41 UTC
Patch Tuesday - October 2025 - Rapid7

web:www.rapid7.com

Microsoft has published 172 new vulnerabilities, including six zero-day vulnerabilities. Windows 10 moves past the end of support, sort of. Critical RCE in Windows Server Update Service.

2026-05-22 02:41 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

web:www.computerworld.com

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

2026-05-22 02:41 UTC
Microsoft Releases Out-of-Band Patch to Fix Critical RRAS RCE ...

web:cybersecuritynews.com

Microsoft released an out-of-band hotpatch update on March 13, 2026, addressing serious security vulnerabilities in Windows 11 versions 24H2 and 25H2.

2026-05-22 02:41 UTC
Microsoft Patch Tuesday, September 2025 Edition - Krebs on Security

web:krebsonsecurity.com

Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known "zero-day" or actively exploited ...

2026-05-22 02:41 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 02:41 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2025-54693.json.

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