CVE-2024-55635Network attack vector

Reflected XSS via unsafe Overlay input handling

Published Dec 9, 2024 · Updated Dec 10, 2024

Reflected XSS in Drupal Core 7.0 through 7.101 allows remote attackers to execute script in a user's browser via crafted input. The Overlay module fails to safely neutralize user-controlled input before reflecting it into generated page output; the public advisory does not identify the specific function or parameter. Exploitation requires Overlay to be enabled and a user with overlay access to interact with the crafted content, allowing script execution in that user's session.

CVSS severity6.1
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Drupal Core 7.0 through 7.101 allows remote attackers to execute script in a user's browser via crafted input. The Overlay module fails to safely neutralize user-controlled input before reflecting it into generated page output; the public advisory does not identify the specific function or parameter. Exploitation requires Overlay to be enabled and a user with overlay access to interact with the crafted content, allowing script execution in that user's session.

The record

CVE
CVE-2024-55635
Published
Dec 9, 2024
Updated
Dec 10, 2024
Vendor
OAuth.js
Product
Drupal core
Classifications
CWE-79, CAPEC-63
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 9, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 10, 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=7.0 <7.102

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

OAuth.js · Drupal coreversion=7.0 <7.102

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-63Cross-Site Scripting (XSS)

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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