CVE-2026-84931Network attack vector

Stored XSS via unescaped shortcode theme attribute

Published Sep 5, 2026 · Updated Sep 6, 2026

Stored XSS in WPJoli Joli Table Of Contents before 3.0.3 allows remote authenticated users to execute JavaScript through crafted posts. The joli-toc shortcode places its theme attribute into an HTML attribute without sanitization or context-appropriate escaping. Author-level access is required to store the payload, which runs for any visitor who views the post, including administrators and multisite users barred from unfiltered HTML.

CVSS severity6.8
Medium
EPSS probability0.24%
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 WPJoli Joli Table Of Contents before 3.0.3 allows remote authenticated users to execute JavaScript through crafted posts. The joli-toc shortcode places its theme attribute into an HTML attribute without sanitization or context-appropriate escaping. Author-level access is required to store the payload, which runs for any visitor who views the post, including administrators and multisite users barred from unfiltered HTML.

The record

CVE
CVE-2026-84931
Published
Sep 5, 2026
Updated
Sep 6, 2026
Vendor
WPJoli
Product
Joli Table Of Contents
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 6, 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 <3.0.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

WPJoli · Joli Table Of Contentsversion=0 <3.0.3

Published CVSS scores

6.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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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