CVE-2023-39318

Low

fixedPATCH AVAILABLENot Available

Security vulnerability in stdlib

Description

Improper handling of HTML-like comments in script contexts in html/template

Impact Assessment

This low-severity vulnerability has limited impact but should still be addressed as part of regular security maintenance.

CVSS v3.1 Score

0.0

EPSS — Exploit Prediction

0.93%

Probability of exploitation in the next 30 days · more likely than 59.5% of all CVEs.

Quick Facts

PublishedSep 7, 2023

Last ModifiedFeb 4, 2026

Discovered ByIndependent Security Researcher

Statusfixed

Weakness Types

CWE-79

Attack Metrics

CVSS v3.1 Metrics Breakdown

attack Vector

attack Complexity

privileges Required

user Interaction

scope

Unchanged

confidentiality Impact

Medium

integrity Impact

Medium

availability Impact

Medium

Remediation Guide

How to Fix This Vulnerability

Remediation Steps

1Upgrade the package to version 1.21.1 or later
2Review and audit affected systems for potential exploitation
3Implement additional security controls if immediate patching is not possible
4Monitor for suspicious activity related to this vulnerability

Mitigation Strategies

Immediate Patching

High

Apply security patches to version 1.21.1 immediately

Network Segmentation

Medium

Isolate affected systems from untrusted networks until patching is complete

Monitoring and Detection

Medium

Implement enhanced monitoring for exploitation attempts and unusual behavior

Event History

Vulnerability Timeline

Vulnerability published

2023-09-07T16:11:17Z

published

Patches released: 1.21.1

2023-09-07T16:11:17Z

patched

▪ Common questions

How severe is CVE-2023-39318?

CVE-2023-39318 is rated LOW with a CVSS score of 0.

How do I fix CVE-2023-39318?

Upgrade the affected package to 1.21.1.

What kind of weakness is CVE-2023-39318?

CVE-2023-39318 is classified as CWE-79 — Security vulnerability in stdlib.

Back to All Vulnerabilities

CVE-2023-39318

Low

fixedPATCH AVAILABLENot Available

Security vulnerability in stdlib

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Description

Improper handling of HTML-like comments in script contexts in html/template

Impact Assessment

This low-severity vulnerability has limited impact but should still be addressed as part of regular security maintenance.

CVSS v3.1 Score

0.0

EPSS — Exploit Prediction

0.93%

Probability of exploitation in the next 30 days · more likely than 59.5% of all CVEs.

Quick Facts

PublishedSep 7, 2023

Last ModifiedFeb 4, 2026

Discovered ByIndependent Security Researcher

Statusfixed

Weakness Types

CWE-79

Attack Metrics

CVSS v3.1 Metrics Breakdown

attack Vector

attack Complexity

privileges Required

user Interaction

scope

Unchanged

confidentiality Impact

Medium

integrity Impact

Medium

availability Impact

Medium

Remediation Guide

How to Fix This Vulnerability

Remediation Steps

1Upgrade the package to version 1.21.1 or later
2Review and audit affected systems for potential exploitation
3Implement additional security controls if immediate patching is not possible
4Monitor for suspicious activity related to this vulnerability

Mitigation Strategies

Immediate Patching

High

Apply security patches to version 1.21.1 immediately

Network Segmentation

Medium

Isolate affected systems from untrusted networks until patching is complete

Monitoring and Detection

Medium

Implement enhanced monitoring for exploitation attempts and unusual behavior

Event History

Vulnerability Timeline

Vulnerability published

2023-09-07T16:11:17Z

published

Patches released: 1.21.1

2023-09-07T16:11:17Z

patched

▪ Common questions

How severe is CVE-2023-39318?

CVE-2023-39318 is rated LOW with a CVSS score of 0.

How do I fix CVE-2023-39318?

Upgrade the affected package to 1.21.1.

What kind of weakness is CVE-2023-39318?

CVE-2023-39318 is classified as CWE-79 — Security vulnerability in stdlib.

Back to All Vulnerabilities