CVE-2020-36524Public exploitNetwork attack vector

Stored script execution via unsafe macro URLs

Published Jun 3, 2022 · Updated Apr 15, 2025

Stored cross-site scripting in Refined Toolkit for Confluence 2.2.5 allows remote authenticated users to execute script via crafted UI elements. The UI-Image and UI-Button macros accept a javascript: value in the URL parameter and render it as a clickable destination without blocking the executable scheme. An authenticated author must create the malicious macro, and a victim must click the image or button, causing script execution in the victim's Confluence browser context.

CVSS severity5.4
Medium
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Refined Toolkit for Confluence 2.2.5 allows remote authenticated users to execute script via crafted UI elements. The UI-Image and UI-Button macros accept a javascript: value in the URL parameter and render it as a clickable destination without blocking the executable scheme. An authenticated author must create the malicious macro, and a victim must click the image or button, causing script execution in the victim's Confluence browser context.

The record

CVE
CVE-2020-36524
Published
Jun 3, 2022
Updated
Apr 15, 2025
Vendor
Refined
Product
Refined Toolkit for Confluence
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 3, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 2025Record 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=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Refined · Refined Toolkit for Confluenceversion=n/a

Published CVSS scores

3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/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.

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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')
T1204.001User Execution: Malicious Link

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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