CVE-2026-4278

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 15.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. 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

2026-03-26 03:37Z5 MO AGO

Last updated

2026-04-08 17:32Z4 MO AGO

Reserved

2026-03-16

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

Medium (CVSS 6.4)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.2

Document digest

098c02cd1b2853b6e19b60f6b2439d95fa9c1bbf202a18e31f03522158a51f5d

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/f23dec73-9031-4829-a84b-4979c8e8ded4?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/simple-download-counter/trunk/inc/functions-shortcode.php#L159
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/simple-download-counter/tags/2.3/inc/functions-shortcode.php#L159
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/simple-download-counter/trunk/inc/functions-shortcode.php#L135
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/simple-download-counter/tags/2.3/inc/functions-shortcode.php#L135
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/simple-download-counter/trunk/inc/functions-shortcode.php#L157
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/simple-download-counter/tags/2.3/inc/functions-shortcode.php#L157
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/simple-download-counter/trunk/inc/functions-shortcode.php#L92
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/simple-download-counter/tags/2.3/inc/functions-shortcode.php#L92
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3487364%40simple-download-counter&new=3487364%40simple-download-counter&sfp_email=&sfph_mail=