Cyber Resilience

CVE-2021-4353

MediumPublic PoC

Published: 20 October 2023

Published
20 October 2023
Modified
08 April 2026
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0029 52.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-4353 is a medium-severity Authentication Bypass Using an Alternate Path or Channel (CWE-288) vulnerability in Rightpress Woocommerce Dynamic Pricing \& Discounts. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 47.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The WooCommerce Dynamic Pricing and Discounts plugin for WordPress is vulnerable to unauthenticated settings export in versions up to, and including, 2.4.1. This is due to missing authorization on the export() function which makes makes it possible for unauthenticated attackers…

more

to export the plugin's settings.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

rightpress
woocommerce dynamic pricing \& discounts
≤ 2.4.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-288 CWE-862

Authorizing remote access reduces the ability to bypass authentication via unauthorized alternate remote channels.

addresses: CWE-862 CWE-288

Requiring authorization servers ensures authorization is performed for protected functions.

addresses: CWE-862

Requiring an access control policy ensures authorization checks are defined and applied for critical functions.

addresses: CWE-862

Reviews of access controls detect missing authorization checks on critical functions or resources.

addresses: CWE-862

Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.

addresses: CWE-862

Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.

addresses: CWE-862

Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.

addresses: CWE-862

The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.

References