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Improper input validation in Drupal core

High severity GitHub Reviewed Published Feb 18, 2022 to the GitHub Advisory Database • Updated Feb 2, 2023

Package

composer drupal/core (Composer)

Affected versions

>= 9.3.0, < 9.3.6
>= 8.0.0, < 9.2.13
>= 7.0.0, < 7.88

Patched versions

9.3.6
9.2.13
7.88

Description

Drupal core's form API has a vulnerability where certain contributed or custom modules' forms may be vulnerable to improper input validation. This could allow an attacker to inject disallowed values or overwrite data. Affected forms are uncommon, but in certain cases an attacker could alter critical or sensitive data.

References

Published by the National Vulnerability Database Feb 16, 2022
Published to the GitHub Advisory Database Feb 18, 2022
Reviewed Mar 1, 2022
Last updated Feb 2, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS score

0.205%
(59th percentile)

Weaknesses

CVE ID

CVE-2022-25271

GHSA ID

GHSA-fmfv-x8mp-5767

Source code

No known source code
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