CVE-2021-4391

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.0% of scored records. A rank, not a probability.

NVD base score

4.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-07-01 04:26Z3 YR AGO

Last updated

2026-04-08 16:44Z4 MO AGO

Reserved

2023-06-30

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.2

Document digest

f601da34e5e0facb208001e6bc946fc479c8d49d54cec1b36b8032d4bdfb11da

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/2da322ea-0206-4838-8ac4-9dd201bb00bc?source=cve
• blog.nintechnet.comhttps://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
• blog.nintechnet.comhttps://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
• blog.nintechnet.comhttps://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
• blog.nintechnet.comhttps://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
• blog.nintechnet.comhttps://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
• blog.nintechnet.comhttps://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
• blog.nintechnet.comhttps://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/woo-gift-cards-lite/tags/2.1.2/admin/class-woocommerce-gift-cards-lite-admin.php?rev=2549904#L461