Disclosed
CVE-2026-6735
In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, 8.5.* before 8.5.6, due to improper sanitation of user data, it allows an attacker to compose an URL, which will cause the target to execute arbitrary JavaScript code (XSS) on the target's machine when the target is viewing the PHP-FPM status page.
Exploitation Probability (EPSS)
Low Priority0.05%
The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.
0% (Theoretical)100% (Certainty)
7-Day Exploitation Trend
Vulnerability Timeline
2 eventsMay 10, 2026
Vulnerability Disclosed
Published to component-level vulnerability database.
May 12, 2026
Last Updated
Record updated with new analysis or tags.
Threat Actor Attribution
PREMIUM INTELAssociated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes
Remediation & Mitigation
SOLUTIONOfficial patches and mitigation steps are available for this vulnerability.
# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name
Affected Products
1 Total
php/phpAll Versions
Am I Vulnerable?
Check your domain or package.json for CVE-2026-6735 exposure.
Vulnerability Details
CVSS Base Score
6.1/ 10
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published Date
May 10, 2026
Last Modified
May 12, 2026
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