How severe is CVE-2022-0895?

CVE-2022-0895 has a CVSS score of 7.7/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2022-0895?

CVE-2022-0895 affects the following packages: microweber/microweber (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2022-0895?

Update microweber/microweber to 1.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-0895 is resolved across your whole dependency graph.

How do I detect CVE-2022-0895 in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for microweber/microweber, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2022-0895 if there is no patch (or I can't update yet)?

Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Is CVE-2022-0895 actively exploited in the wild?

Yes. There are 1 known exploit references for CVE-2022-0895, including 1 in-the-wild exploitation observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2022-0895?

CVE-2022-0895 has an EPSS (Exploit Prediction Scoring System) score of 1.7%, placing it in the 78th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2022-0895?

CVE-2022-0895 is classified as CWE-96 (CWE-96). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2022-0895 published, and has it been updated?

CVE-2022-0895 was published on March 10, 2022 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘

🐘 Packagist

Not in CISA KEV

HIGH severity

CVE-2022-0895 — microweber

HIGHFix: microweber/microweber@b2baab6

CVE-2022-0895 is a high-severity (CVSS 7.7) CWE-96 vulnerability in microweber/microweber. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for microweber/microweber — see the affected versions and patch details below.

Static Code Injection in microweber/microweber

Also known asGHSA-x28w-hvwc-mp75

Published

Mar 10, 2022

Updated

Oct 28, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

1 known

Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

1.7%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs78th percentile — riskier than 78% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

🐘microweber/microweber

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Microweber is a new generation CMS with drag and drop. Prior to version 1.3, Microweber is vulnerable to static code injection.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`microweber/microweber`	all versions	1.3`composer require microweber/microweber:^1.3`

Affected Products

1 product · 1 configurations

Application

microwebermicroweber

< 1.3

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Static Code Injection in GitHub repository microweber/microweber prior t…

huntr.devNVDMar 2022

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for microweber/microweber, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update microweber/microweber to 1.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-0895 is resolved across your whole dependency graph.
Workarounds
Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

Microweber is a new generation CMS with drag and drop. Prior to version 1.3, Microweber is vulnerable to static code injection.

O3 Security · Impact-Aware SCA

Is CVE-2022-0895 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

7.7/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

High

Raw vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H

CWE Classification

CWE-96CWE-96

Weaponization

No Nuclei template or Metasploit module yet. 1 public proof-of-concept reference is listed on this page.

Timeline

Disclosed

Mar 10, 2022

First exploit

Mar 19, 2022

Last updated

Oct 28, 2026

Identifiers

CVE-2022-0895

GHSA-x28w-hvwc-mp75

References

Advisorygithub.com · CVE 2022 0895.json Advisorynvd.nist.gov · CVE 2022 0895 Fixgithub.com · b2baab6e582b2efe63788d367a2bb61a2fa26470 Webhuntr.dev · 3c070828 fd00 476c be33 9c877172363d Packagegithub.com · microweber

Related vulnerabilities

This CVE is high severity — higher than any of the other 8 CVEs affecting microweber/microweber (highest there: moderate).

CVE-2026-12198CVE-2025-70791CVE-2025-70792CVE-2025-51504CVE-2025-51501CVE-2025-51502CVE-2025-51503CVE-2025-34076

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 28, 2026