CVE-2019-14978

WooCommerce PayU India <= 2.1.1 - Improper Input Validation

2019-08-25 00:00

Strategic Overview

Status: Unpatched
Affected Plugin: WooCommerce PayU India (PayUmoney – PayUbiz)
Affected Version: <= 2.1.1
CVSS: 5.3Medium
Weakness type: CWE-20 · Improper Input Validation
CVE: CVE-2019-14978

View all WooCommerce PayU India (PayUmoney – PayUbiz) vulnerabilities

At a glance

CVE-2019-14978 is a medium-severity Improper Input Validation vulnerability in the WooCommerce PayU India (PayUmoney WordPress plugin, affecting versions <= 2.1.1. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed August 2019, reported by Vikas Chaudhary.

Vulnerability Overview

/payu/icpcheckout/ in the WooCommerce PayU India Payment Gateway plugin 2.1.1 for WordPress allows Parameter Tampering in the purchaseQuantity=1 parameter, as demonstrated by purchasing an item for lower than the intended price.

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.

CWE-20: Improper Input Validation

Reaching this weakness in WooCommerce PayU India (PayUmoney <= 2.1.1 takes a caller who can reach the endpoint. Improper input validation means the application accepts input without confirming it has the form, type or range the code downstream assumes.

The concrete impact depends on where the unvalidated value lands, which is why records in this class range from cosmetic bugs to full compromise. No fixed build of this plugin is recorded for WooCommerce PayU India (PayUmoney yet, so installs running <= 2.1.1 stay exposed until the vendor ships one.

Remediation

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

How does WordSec protect against this?

The attempt arrives as an ordinary request to WooCommerce PayU India (PayUmoney: WordSec's web application firewall inspects request payloads before WordPress loads them. No patched version is recorded yet, which is the case where a filtering layer matters most, because there is nothing to update to.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2019-14978 https://www.wordfence.com/threat-intel/vulnerabilities/id/9428f710-db34-418f-9918-b35609ca5185 https://nvd.nist.gov/vuln/detail/CVE-2019-14978

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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