CVE-2025-60790: Processwire/processwire Remote Code Execution Vulnerability

MODERATE
Advisory Identifier: GHSA-9p44-q66p-xm6p
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CWE-409 CWE-400
Published
Advisory Summary

CVE-2025-60790 is a MODERATE remote code execution vulnerability (CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)) affecting Processwire/processwire libraries in the Packagist ecosystem. The issue involves processwire cms vulnerable to resource-exhaustion denial of service. Remediation is available in the latest vendor maintenance releases.

CVE-2025-60790 at a Glance

CVE Identifier CVE-2025-60790
GHSA Identifier GHSA-9p44-q66p-xm6p
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)
Affected Product Processwire/processwire
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2025-60790

To remediate this vulnerability, upgrade all affected Processwire/processwire dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

processwire/processwire fixed: Latest secure release 
Upgrade processwire/processwire to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for processwire/processwire

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-60790, inspect your project dependencies for Processwire/processwire:

inspect dependencies for processwire/processwire

Analyze the terminal output to locate any version of Processwire/processwire in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-409: Improper Handling of Highly Compressed Data (Data Amplification), where the product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output. In Processwire/processwire, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

ProcessWire CMS 3.0.246 allows a low-privileged user with lang-edit to upload a crafted ZIP to Language Support that is auto-extracted without limits prior to validation, enabling resource-exhaustion Denial of Service.

CVE-2025-60790 Affected Processwire/processwire Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
processwire/processwire
 Packagist
≤ 3.0.246

References

NVD — CVE-2025-60790 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-60790
Processwire/processwire Source Repository REPOSITORY
https://github.com/processwire/processwire-issues/issues/2120
Processwire/processwire Source Repository REPOSITORY
https://github.com/NomanProdhan/security-vulnerability-research/tree/master/CVE-2025-60790
Processwire/processwire Source Repository REPOSITORY
https://github.com/processwire/processwire

Frequently Asked Questions

What is CVE-2025-60790?
CVE-2025-60790 is a security vulnerability in Processwire/processwire involving ProcessWire CMS vulnerable to resource-exhaustion Denial of Service under CWE-409: Improper Handling of Highly Compressed Data (Data Amplification).
Which Processwire/processwire versions are affected?
Affected versions include releases prior to current release patches across affected packages: processwire/processwire.
What version fixes CVE-2025-60790?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is processwire/processwire affected?
Yes, processwire/processwire is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What CWE is associated with CVE-2025-60790?
CVE-2025-60790 is classified under CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) (The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.).
How can I check Packagist dependencies for CVE-2025-60790?
Run the dependency tree command: 'inspect dependencies for processwire/processwire'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-9p44-q66p-xm6p",
  "modified" : "2025-10-27T20:01:33Z",
  "published" : "2025-10-21T18:30:35Z",
  "aliases" : [ "CVE-2025-60790" ],
  "summary" : "ProcessWire CMS vulnerable to resource-exhaustion Denial of Service",
  "details" : "ProcessWire CMS 3.0.246 allows a low-privileged user with lang-edit to upload a crafted ZIP to Language Support that is auto-extracted without limits prior to validation, enabling resource-exhaustion Denial of Service.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "processwire/processwire"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "3.0.246"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-60790"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/processwire/processwire-issues/issues/2120"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/NomanProdhan/security-vulnerability-research/tree/master/CVE-2025-60790"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/processwire/processwire"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400", "CWE-409" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-10-21T21:04:22Z",
    "nvd_published_at" : "2025-10-21T18:15:36Z"
  }
}