CVE-2026-13701Public exploitNetwork attack vector

Stored XSS via unescaped ellipsis output

Published Aug 10, 2026 · Updated Aug 10, 2026

Stored XSS in WPKube Advanced Excerpt before 4.5 allows remote authenticated users to execute JavaScript in visitors' browsers. The plugin stores the administrator-controlled Ellipsis setting without sanitization and emits it unescaped when a long post is trimmed into a front-end excerpt. Exploitation requires administrator access without unfiltered_html and a visitor to load a homepage or archive that renders the affected excerpt.

CVSS severity4.8
Medium
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in WPKube Advanced Excerpt before 4.5 allows remote authenticated users to execute JavaScript in visitors' browsers. The plugin stores the administrator-controlled Ellipsis setting without sanitization and emits it unescaped when a long post is trimmed into a front-end excerpt. Exploitation requires administrator access without unfiltered_html and a visitor to load a homepage or archive that renders the affected excerpt.

The record

CVE
CVE-2026-13701
Published
Aug 10, 2026
Updated
Aug 10, 2026
Vendor
WP White Security
Product
Advanced Excerpt
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <4.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

WP White Security · Advanced Excerptversion=0 <4.5

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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