CVE-2021-45806

HIGH

jpress v4.2.0 admin panel provides a function through which attackers can modify the template and inject some malicious code.

Affects 1 product across 1 vendor.

CVSS 3.18.8
EPSS1.4%
Percentile71th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, low privileges required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-94: Code Injection

Attacker injects arbitrary code that is executed by the application process.

Related Attack Patterns (CAPEC)
CAPEC-35 Leverage Executable Code in Non-Executable Files
via CWE-94
CAPEC-77 Manipulating User-Controlled Variables
via CWE-94
CAPEC-242 Code Injection
via CWE-94

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A critical vulnerability in jpress v4.2.0 allows attackers to modify the template and inject malicious code through the admin panel, posing a significant risk to the integrity and security of the application.

BSID: BS-2022-GLOBAL-071485-H • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2021-45806?
A critical vulnerability in jpress v4.2.0 allows attackers to modify the template and inject malicious code through the admin panel, posing a significant risk to the integrity and security of the application.
What is the CVSS score for CVE-2021-45806?
CVE-2021-45806 has CVSS 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS: 1.4%.
Is CVE-2021-45806 actively exploited?
No confirmed active exploitation of CVE-2021-45806 as of 2026-05-30.
How do I remediate CVE-2021-45806?
Priority: IMMEDIATE. Advisory: http://jpress.com PSIRT: [email protected]
What systems are affected by CVE-2021-45806?
CVE-2021-45806 affects Jpress Jpress.
Vulnerability Details
CVE IDCVE-2021-45806
BSIDBS-2022-GLOBAL-071485-H BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published2022-01-13
Last Modified2024-11-21
ICS Relevance15%
Weakness (CWE)
Code Injection
SourceNVD
Official Description

jpress v4.2.0 admin panel provides a function through which attackers can modify the template and inject some malicious code.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability exists in the admin panel's template modification functionality, where attackers can inject malicious code into templates, leading to remote code execution.

Exploitation Likelihood: HIGH

Affected Products
VendorProductAffected Versions
Jpress Jpress 4.2.0
Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1736 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash63de7d1d855ecbfd994826ae703068593d4e01c04699e17a866cb2fa34ae0539ca26bf69a7364840eddb1e5d03d9191ee635434b5c98e655c09aef3acf3ca572
Related CVEs affecting Jpress
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