CVE-2026-1866

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• 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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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

2026-02-10 09:26Z6 MO AGO

Last updated

2026-04-08 16:43Z4 MO AGO

Reserved

2026-02-03

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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

60d83ac02c47f062418a610464e44193e4d97d9e1dcb3cea8f5eb3c9db08b5d9

• www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/29d13457-ac60-4e3d-9d8b-0141e6f8f4f6?source=cve
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/name-directory/tags/1.31.0/helpers.php#L604
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/name-directory/tags/1.31.0/shortcode.php#L193
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/name-directory/tags/1.31.0/shortcode.php#L41
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/3455023/name-directory/trunk?contextall=1&old=3446566&old_path=%2Fname-directory%2Ftrunk#file3