CVE-2021-4353

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2023-10-20. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 to export the plugin's settings.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
44.5%
KEV
Not listed

Published

October 20, 2023

Last Modified

April 8, 2026

References (4)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 134 total refreshes for this CVE.

  1. 2026-07-22 22:51 UTCEG score recompute
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Frequently asked(5)

What is CVE-2021-4353?
CVE-2021-4353 is a medium vulnerability published on October 20, 2023. 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 to export the…
When was CVE-2021-4353 disclosed?
CVE-2021-4353 was first published in the National Vulnerability Database on October 20, 2023, with the most recent update on April 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-4353 actively exploited?
CVE-2021-4353 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-4353?
CVE-2021-4353 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2021-4353?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-4353, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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