CVE-2025-8661Network attack vector

Browser script execution via unencoded stored input

Published Aug 11, 2025 · Updated Aug 11, 2025

Stored XSS in Broadcom Symantec PGP Encryption 11.0.1 allows remote authenticated users to run script in another user's browser. Broadcom states that the server stores user-entered data without proper validation or output encoding, but does not identify the affected field or handler. Exploitation requires high privileges and an active victim interaction, exposing browser-accessible data and actions within the affected origin.

CVSS severity4.6
Medium
EPSS probability0.19%
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 Broadcom Symantec PGP Encryption 11.0.1 allows remote authenticated users to run script in another user's browser. Broadcom states that the server stores user-entered data without proper validation or output encoding, but does not identify the affected field or handler. Exploitation requires high privileges and an active victim interaction, exposing browser-accessible data and actions within the affected origin.

The record

CVE
CVE-2025-8661
Published
Aug 11, 2025
Updated
Aug 11, 2025
Vendor
Broadcom
Product
Symantec PGP Encryption
Classifications
CWE-79, CAPEC-63, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 11, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=11.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Broadcom · Symantec PGP Encryptionversion=11.0.1

Published CVSS scores

4.6SymantecCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA: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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')
CAPEC-63Cross-Site Scripting (XSS)
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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