CVE-2026-31205

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total 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

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 20.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2026-05-04 00:00Z4 MO AGO

Last updated

2026-05-04 14:24Z4 MO AGO

Reserved

2026-03-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.7)

CNA CVSS vector

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

Weaknesses

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

Data version

5.2

Document digest

88191ed956f8a8ba419113ba52d6d4fd560c416a3457a2f16c519c4f425d48e3

• github.comhttps://github.com/pluck-cms/pluck/blob/main/data/inc/functions.all.php#L207
• github.comhttps://github.com/pluck-cms/pluck/blob/main/data/inc/editpage.php
• github.comhttps://github.com/pluck-cms/pluck/issues/141
• medium.comhttps://medium.com/@nakah_/pluck-cms-stored-xss-in-page-editor-cve-2026-31205-3b0526743e1d?postPublishedType=initial