CVE-2022-42985Network attack vector

Administrator XSS via unescaped verification failure messages

Published Nov 17, 2022 · Updated Apr 25, 2025

Cross-site scripting in ScratchLogin 1.1 and earlier allows remote authenticated users with admin rights to execute script in a victim browser. ScratchLogin.common.php renders an account-verification failure message in MediaWiki page output without HTML escaping. Exploitation requires administrator privileges and a victim to load the affected response, enabling access to or alteration of data available to the victim session.

CVSS severity4.8
Medium
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in ScratchLogin 1.1 and earlier allows remote authenticated users with admin rights to execute script in a victim browser. ScratchLogin.common.php renders an account-verification failure message in MediaWiki page output without HTML escaping. Exploitation requires administrator privileges and a victim to load the affected response, enabling access to or alteration of data available to the victim session.

The record

CVE
CVE-2022-42985
Published
Nov 17, 2022
Updated
Apr 25, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Nov 17, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 25, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8MITRECVSS:3.1/AC:L/AV:N/A:N/C:L/I:L/PR:H/S:C/UI:R

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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