CVE-2025-43840

Description

Cross-Site Request Forgery (CSRF) vulnerability in ref CheckBot checkbot allows Stored XSS.This issue affects CheckBot: from n/a through <= 1.05.

Overview

State: PUBLISHED
Assigner (CNA): Patchstack
CVSS severity: HIGH
CVSS score: 7.1 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Effective score: 7.1 / 10 HIGH source: CNA overview
CWE(s): CWE-352
Reserved: 2025-04-17
Published: 2025-05-19 19:07 UTC
Last updated: 2026-04-28 18:12 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/43xxx/CVE-2025-43840.json
Linked Threat: CVE-2025-43840 — CheckBot <= 1.05 - Cross-Site Request Forgery to Stored Cross-Site Scripting

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: 2025-05-19 18:15:30 UTC
NVD last modified: 2026-06-17 09:24:37 UTC
NVD CVSS v3.1: 7.1 / 10 HIGH source: audit@patchstack.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Exploitability subscore: 2.8 / 10
Impact subscore: 3.7 / 10
EPSS score: 0.0012 (probability of exploitation in next 30 days)
EPSS percentile: 1.88% 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-2025-15748
Assigner: Patchstack
Published: May 19, 2025, 5:07:20 PM
Updated: Apr 28, 2026, 4:12:36 PM
EUVD base score (CVSS 3.1): 7.1 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EUVD-reported EPSS: 0.0800
Vendors: Ref
Products: CheckBot (n/a ≤1.05)

CheckBot (0 ≤1.05)
Aliases: GHSA-f6vc-5hqq-c3x2

ENISA description: Cross-Site Request Forgery (CSRF) vulnerability in ref CheckBot checkbot allows Stored XSS.This issue affects CheckBot: from n/a through <= 1.05.

EUVD references (1)

https://patchstack.com/database/Wordpress/Plugin/checkbot/vulnerability/wordpress-checkbot-plugin-1-05-csrf-to-stored-xss-vulnerability?_s_id=cve

Affected products (1)

Vendor	Product	Versions	Platforms
ref	CheckBot	`0` (affected)	—

Vendor references (1)

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

https://patchstack.com/database/Wordpress/Plugin/checkbot/vulnerability/wordpress-checkbot-plugin-1-05-csrf-to-stored-xss-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/checkbot/vulnerability/wordpress-checkbot-plugin-1-05-csrf-to-stored-xss-vulnerability?_s_id=cve vdb-entry

Web references (0)

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

No web references attached yet.

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/checkbot/vulnerability/wordpress-checkbot-plugin-1-05-csrf-to-stored-xss-vulnerability?_s_id=cve audit@patchstack.com

Indicators (2)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
domain	`xss.this`	no local data	2026-05-18 21:19 UTC
cve	`CVE-2025-43840`	no local data	2026-06-06 13:45 UTC

Remediations (16)

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

Wordfence remediation: CheckBot

Wordfence

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

2026-06-06 13:45 UTC
Nvd - Cve-2025-48384

web:nvd.nist.gov

Description Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals. When reading a config value, Git strips any trailing carriage return and line feed (CRLF). When writing a config entry, values with a trailing CR are not quoted, causing the CR to be lost when the config is later read ...

2026-05-22 13:51 UTC
April 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.

2026-05-22 13:51 UTC
Microsoft Issues Second Biggest Patch Tuesday Ever in April

web:redmondmag.com

Microsoft this week released one of the largest Patch Tuesday bundles in its history, delivering fixes for 163 new Microsoft CVEs in a month that includes three zero-days and eight Critical-rated ...

2026-05-22 13:51 UTC
A guide to vulnerability remediation vs mitigation | @Bugcrowd

web:www.bugcrowd.com

Vulnerability mitigation is typically considered a temporary or interim solution. While mitigation measures can reduce the immediate risk associated with vulnerabilities, they may not provide a permanent fix . Organizations should aim to prioritize and plan for complete vulnerability remediation whenever feasible and allocate resources accordingly.

2026-05-22 13:51 UTC
April 2026 Patch Tuesday | Ivanti

web:www.ivanti.com

April Patch Tuesday is the second-largest Patch Tuesday on record behind the October 2025 Patch Tuesday which resolved 175 CVEs . The lineup includes one zero-day exploit ( CVE -2026-3220) and one public disclosure ( CVE -2026-33825) and breaks down into 8 Critical, 156 Important, 3 Moderate and 1 Low severity.

2026-05-22 13:51 UTC
CISA orders feds to patch BlueHammer flaw exploited as zero-day

web:www.bleepingcomputer.com

CISA has ordered U.S. federal agencies to patch a Microsoft Defender privilege escalation flaw (dubbed BlueHammer) that has been exploited in zero-day attacks.

2026-05-22 02:45 UTC
Patch Tuesday May 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-05-22 02:45 UTC
Disable or Remove Feature or Program, Mitigation M1042 - Enterprise ...

web:attack.mitre.org

This mitigation can be implemented through the following measures: Remove Legacy Software: Use Case: Disable or remove older versions of software that no longer receive updates or security patches (e.g., legacy Java, Adobe Flash). Implementation: A company removes Flash Player from all employee systems after it has reached its end-of-life date.

2026-05-22 02:45 UTC
Microsoft Releases Mitigation for Windows BitLocker Security Bypass 0 ...

web:cybersecuritynews.com

No patch has been released yet; Microsoft has instead issued a multi-step manual mitigation guide while a formal security update is prepared. Windows BitLocker Security Bypass The vulnerability originates in WinRE's handling of the BootExecute registry value under HKLM\ControlSet001\Control\Session Manager.

2026-05-22 02:45 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 02:45 UTC
Vulnerability Remediation vs. Mitigation: What are the Differences ...

web:www.secure.com

Learn the difference between vulnerability remediation and mitigation , and how a risk-based strategy can strengthen your security posture.

2026-05-22 02:45 UTC
Microsoft Rolls Out Mitigations for 'YellowKey' BitLocker ...

web:www.securityweek.com

Microsoft has announced mitigations for CVE -2026-45585, a BitLocker bypass triggered via FsTx in Windows Recovery.

2026-05-22 02:45 UTC
Security Update Guide - Loading - 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 02:45 UTC
Microsoft Issues Massive Windows Patch for 160+ Bugs ... - TechRepublic

web:www.techrepublic.com

Microsoft's April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company's largest monthly security updates.

2026-05-22 02:45 UTC
Microsoft Patches Two Actively Exploited Defender Zero-Days on Windows

web:windowsreport.com

Microsoft has released emergency security updates for two actively exploited zero-day vulnerabilities affecting Microsoft Defender components on Windows systems. The patches started rolling out on Wednesday, and both flaws are already under active exploitation.

2026-05-22 02:45 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2025-43840.json.

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