CVE-2026-8420
🔶 mediumSummary
The BLOGCHAT Chat System plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.6.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVSS Score
6.1
Medium
EPSS Score
0.0
Exploit Probability
Published Date
2026-05-20
First Seen: 2026-05-21
📊 Relative Risk Intelligence
This CVE is Lower Risk - more severe than 38.9% of all 325,680 vulnerabilities in our database.
#198,971
Below average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: May 20, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Muhammad Nur Ibnu Hubab
SSVC data provided by
CISA
Last Modified
2026-05-20
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE IDs (Weakness Types)