CVE-2026-7013

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 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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 12.0% of scored records. A rank, not a probability.

NVD base score

1.9 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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

2026-04-26 02:00Z4 MO AGO

Last updated

2026-04-27 12:41Z4 MO AGO

Reserved

2026-04-25

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.2

Document digest

0051c411e55808f2a7ad7b6fadfec785e205e31634a870d079c15614cd9ce658

• vuldb.comVDB-359592 | MaxSite CMS mail_send Plugin cross site scriptinghttps://vuldb.com/vuln/359592vdb-entrytechnical-description
• vuldb.comVDB-359592 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/vuln/359592/ctisignaturepermissions-required
• vuldb.comSubmit #796738 | MaxSite CMS 109.3 Cross Site Scriptinghttps://vuldb.com/submit/796738third-party-advisory
• github.comhttps://github.com/wnaspy/CVE/blob/main/Report-%20Stored%20XSS-in-mail_send-plugin-maxsite-cms.pdf.pdfexploit
• github.comhttps://github.com/maxsite/cms/commit/8a3946bd0a54bfb72a4d57179fcd253f2c550cd7patch
• github.comhttps://github.com/maxsite/cms/releases/tag/v109patch
• github.comhttps://github.com/maxsite/cms/product