CVE-2026-1941Public exploitNetwork attack vector

Contributor-level stored XSS via unescaped shortcode attributes

Published Feb 18, 2026 · Updated Feb 18, 2026

Stored XSS in Xylus Themes WP Event Aggregator 1.8.7 and earlier allows remote authenticated users to execute scripts via wp_events attributes. The wp_events_archive() method in class-wp-event-aggregator-cpt.php embeds shortcode attributes in a data-shortcode HTML attribute without sanitizing or escaping them. Contributor-level access is sufficient to save a crafted shortcode, and the payload runs in a visitor's browser when the affected page is viewed.

CVSS severity6.4
Medium
EPSS probability0.25%
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 Xylus Themes WP Event Aggregator 1.8.7 and earlier allows remote authenticated users to execute scripts via wp_events attributes. The wp_events_archive() method in class-wp-event-aggregator-cpt.php embeds shortcode attributes in a data-shortcode HTML attribute without sanitizing or escaping them. Contributor-level access is sufficient to save a crafted shortcode, and the payload runs in a visitor's browser when the affected page is viewed.

The record

CVE
CVE-2026-1941
Published
Feb 18, 2026
Updated
Feb 18, 2026
Vendor
Xylus Themes
Product
WP Event Aggregator
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 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=* <=1.8.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Xylus Themes · WP Event Aggregatorversion=* <=1.8.7

Published CVSS scores

6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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