CVE-2022-50957Public exploitNetwork attack vector

Victim-browser script execution via reflected file parameter

Published May 10, 2026 · Updated May 10, 2026

Reflected XSS in Drupal Avatar Uploader 7.x-1.0-beta8 allows remote attackers to execute JavaScript through a crafted file parameter. avatar_uploader.pages.inc reflects the file query value into its response without neutralizing script markup. No authentication is required, but a victim must open the crafted URL; execution is confined to the victim browser's site context.

CVSS severity5.1
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

Reflected XSS in Drupal Avatar Uploader 7.x-1.0-beta8 allows remote attackers to execute JavaScript through a crafted file parameter. avatar_uploader.pages.inc reflects the file query value into its response without neutralizing script markup. No authentication is required, but a victim must open the crafted URL; execution is confined to the victim browser's site context.

The record

CVE
CVE-2022-50957
Published
May 10, 2026
Updated
May 10, 2026
Vendor
Avatar Uploader Project
Product
Avatar Uploader
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 10, 2026CVE publishedPublication date reported by the CVE source.
  2. May 10, 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=7.0-1.0-beta8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Avatar Uploader Project · Avatar Uploaderversion=7.0-1.0-beta8

Published CVSS scores

5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.1VulnCheckCVSS: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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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