CVE-2020-13764

Gravityforms <= 2.4.8 - Information Exposure

2019-05-08 00:00

Strategic Overview

Status: Patched in 2.4.9
Affected Plugin: Gravity Forms
Affected Version: <= 2.4.8
CVSS: 7.5High
Weakness type: CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
CVE: CVE-2020-13764

At a glance

CVE-2020-13764 is a high-severity Exposure of Sensitive Information to an Unauthorized Actor vulnerability in the Gravity Forms WordPress plugin, affecting versions <= 2.4.8. It carries a CVSS score of 7.5 (reachable over the network; low attack complexity; high confidentiality impact). Exploitation requires no authentication. The issue is fixed in version 2.4.9; sites on affected versions should update now. Disclosed May 2019.

Vulnerability Overview

common.php in the Gravity Forms plugin before 2.4.9 for WordPress can leak hashed passwords because user_pass is not considered a special case for a $current_user->get($property) call.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on confidentiality.

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Reaching this weakness in Gravity Forms <= 2.4.8 takes a caller who can reach the endpoint. Sensitive information exposure means data the application intended to keep internal is returned to a caller who should not be able to see it.

The disclosed data — credentials, tokens, customer records or internal paths — is usually worth more as material for a follow-up attack than as an end in itself. For Gravity Forms the fix is 2.4.9: builds <= 2.4.8 are affected, anything from 2.4.9 onward is not.

Remediation

Update to version 2.4.9, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: Gravity Forms 2.4.9 closes this, and updating the plugin is the step that ends it.

Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2020-13764 https://www.wordfence.com/threat-intel/vulnerabilities/id/ce047db1-b701-4903-9244-68b3ecaad78f https://nvd.nist.gov/vuln/detail/CVE-2020-13764

Related records

Other vulnerabilities in Gravity Forms

CVSS Vector

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

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