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Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 2h Global phishing → Multiple sectors HIGH 3h Global insider → Cybersecurity Services CRITICAL 3h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 3h Global malware → Technology and Cloud Services HIGH 3h Global general → Financial Services and E-commerce MEDIUM 3h Global data_breach → Social Media and Communications CRITICAL 4h Global general → Cybersecurity Operations HIGH 4h Global phishing → Technology and Consumer Services HIGH 4h Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 2h Global phishing → Multiple sectors HIGH 3h Global insider → Cybersecurity Services CRITICAL 3h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 3h Global malware → Technology and Cloud Services HIGH 3h Global general → Financial Services and E-commerce MEDIUM 3h Global data_breach → Social Media and Communications CRITICAL 4h Global general → Cybersecurity Operations HIGH 4h Global phishing → Technology and Consumer Services HIGH 4h Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 2h Global phishing → Multiple sectors HIGH 3h Global insider → Cybersecurity Services CRITICAL 3h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 3h Global malware → Technology and Cloud Services HIGH 3h Global general → Financial Services and E-commerce MEDIUM 3h Global data_breach → Social Media and Communications CRITICAL 4h Global general → Cybersecurity Operations HIGH 4h Global phishing → Technology and Consumer Services HIGH 4h

Vulnerabilities ›

CVE-2026-27154

Medium

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, a user full name can be evaluated as raw HTML when the following settings are set: `display_name_o

CWE-79 — Weakness Type

                    Published: Feb 26, 2026                      ·  Modified: Mar 5, 2026                      ·  Source: NVD                

CVSS v3

6.1

🔗 NVD Official

📄 Description (English)

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, a user full name can be evaluated as raw HTML when the following settings are set: `display_name_on_posts` => true; and `prioritize_username_in_ux` => false. Editing a post of a malicious user would trigger an XSS. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 1

https://github.com/discourse/discourse/security/advisories/GHSA-xv43-5gcp-wgw8

security-advisories@github.com

Vendor Advisory

📦 Affected Products / CPE 3 entries

discourse:discourse

discourse:discourse

discourse:discourse:2026.2.0

📊 CVSS Score

6.1

/ 10.0 — Medium

📊 CVSS Vector

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

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredN — None / Network

User InteractionR — Required

ScopeC — Changed

ConfidentialityL — Low / Local

IntegrityL — Low / Local

AvailabilityN — None / Network

📋 Quick Facts

Severity Medium

CVSS Score6.1

CWECWE-79

EPSS0.03%

Exploit No

Patch ✗ No

Published 2026-02-26

Source Feed nvd

Views 2

🏷️ Tags

CWE-79

🏢 Vendor Advisories

🔗 https://github.com/discourse/discourse/security/advi...

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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