CVE-2024-47782Network attack vector

Stored XSS via unescaped wiki metadata

Published Oct 7, 2024 · Updated Oct 8, 2024

Stored XSS in Miraheze WikiDiscover allows remote authenticated users to run scripts in browsers viewing Special:WikiDiscover. WikiDiscoverWikisPager::formatValue inserts wiki names and descriptions into generated page markup without HTML escaping. An attacker must be able to set a wiki name or description; the payload then executes when a visitor opens the listing, exposing that browser session to script-driven data access or actions.

CVSS severity7.6
High
EPSS probability0.34%
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 Miraheze WikiDiscover allows remote authenticated users to run scripts in browsers viewing Special:WikiDiscover. WikiDiscoverWikisPager::formatValue inserts wiki names and descriptions into generated page markup without HTML escaping. An attacker must be able to set a wiki name or description; the payload then executes when a visitor opens the listing, exposing that browser session to script-driven data access or actions.

The record

CVE
CVE-2024-47782
Published
Oct 7, 2024
Updated
Oct 8, 2024
Vendor
Miraheze
Product
WikiDiscover
Classifications
CWE-79, CWE-80, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 7, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 8, 2024Record 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=commits before 2ce846dd93ddb9ec86f7472c4d57fe71a09dc827

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Miraheze · WikiDiscoverversion=commits before 2ce846dd93ddb9ec86f7472c4d57fe71a09dc827

Published CVSS scores

7.6GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
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.

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')
CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
T1059.007Command and Scripting Interpreter: JavaScript/JScript

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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