CVE-2025-70959: Tendenci Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-g7hj-29xq-r64w
CVSS 5.4
CWE-79
Published
Advisory Summary

CVE-2025-70959 is a MODERATE (CVSS 5.4) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Tendenci libraries in the PyPI ecosystem. The issue involves tendenci cms contains a cross-site scripting vulnerability in its jobs module. Remediation is available in the latest vendor maintenance releases.

CVE-2025-70959 at a Glance

CVE Identifier CVE-2025-70959
GHSA Identifier GHSA-g7hj-29xq-r64w
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Tendenci
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 5.4

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2025-70959

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

tendenci fixed: Latest secure release
pip install tendenci>=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:

pip show tendenci

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2025-70959, inspect your installed packages using pip:

pip show tendenci

Analyze the terminal output to locate any version of Tendenci 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: The pip show tendenci command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Tendenci, 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

A stored cross-site scripting (XSS) vulnerability in the Jobs module of Tendenci CMS v15.3.7 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.

CVE-2025-70959 Affected Tendenci Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
tendenci
PyPI
≤ 15.3.7

References

Frequently Asked Questions

What is CVE-2025-70959?
CVE-2025-70959 is a security vulnerability in Tendenci involving Tendenci CMS Contains a Cross-site Scripting Vulnerability in its Jobs Module under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Tendenci versions are affected?
Affected versions include releases prior to current release patches across affected packages: tendenci.
What version fixes CVE-2025-70959?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is tendenci affected?
Yes, tendenci is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2025-70959?
CVE-2025-70959 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2025-70959?
CVE-2025-70959 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check PyPI dependencies for CVE-2025-70959?
Run the dependency tree command: 'pip show tendenci'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-g7hj-29xq-r64w",
  "modified" : "2026-06-09T20:52:53Z",
  "published" : "2026-02-03T00:30:18Z",
  "aliases" : [ "CVE-2025-70959" ],
  "summary" : "Tendenci CMS Contains a Cross-site Scripting Vulnerability in its Jobs Module",
  "details" : "A stored cross-site scripting (XSS) vulnerability in the Jobs module of Tendenci CMS v15.3.7 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "tendenci"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "15.3.7"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-70959"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/emirhanyucelll/tendenci/blob/main/Readme.md"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/tendenci/PYSEC-2026-137.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/tendenci/tendenci"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-06-09T20:52:53Z",
    "nvd_published_at" : "2026-02-02T23:16:02Z"
  }
}