CVE-2020-35203Network attack vector

Browser script execution via reflected msg parameter

Published Jan 11, 2021 · Updated Nov 19, 2024

Cross-site scripting in Quest Policy Authority 8.1.2.200 allows remote attackers to execute script in a browser via a crafted initFile.jsp link. The Web Compliance Manager initFile.jsp endpoint reflects the msg parameter into its HTML response without sanitization, allowing attacker-controlled JavaScript to run in the application origin when a victim follows the link. Exploitation requires no authentication but does require victim interaction with the malicious URL; impact is client-side script execution and possible access to data available to the victim session, without evidence of server compromise.

CVSS severityUnavailable
Unscored
EPSS probability1.33%
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 Quest Policy Authority 8.1.2.200 allows remote attackers to execute script in a browser via a crafted initFile.jsp link. The Web Compliance Manager initFile.jsp endpoint reflects the msg parameter into its HTML response without sanitization, allowing attacker-controlled JavaScript to run in the application origin when a victim follows the link. Exploitation requires no authentication but does require victim interaction with the malicious URL; impact is client-side script execution and possible access to data available to the victim session, without evidence of server compromise.

The record

CVE
CVE-2020-35203
Published
Jan 11, 2021
Updated
Nov 19, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 11, 2021CVE publishedPublication date reported by the CVE source.
  2. Nov 19, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

No CVSS assessment is available in this record.

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')
T1189Drive-by Compromise

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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