CVE-2021-32540Network attack vector

Authenticated stored XSS via announcement field

Published May 28, 2021 · Updated Sep 16, 2024

Cross-site scripting in Hundred Plus 101EIP RELEASE_200925 allows remote authenticated users to execute JavaScript via an announcement field. The add announcement function stores input without filtering special characters, so rendered announcements execute attacker-supplied script in viewers' browsers. An authenticated account is required; script execution can access data or perform actions available to affected viewer sessions.

CVSS severity5.4
Medium
EPSS probability0.46%
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 Hundred Plus 101EIP RELEASE_200925 allows remote authenticated users to execute JavaScript via an announcement field. The add announcement function stores input without filtering special characters, so rendered announcements execute attacker-supplied script in viewers' browsers. An authenticated account is required; script execution can access data or perform actions available to affected viewer sessions.

The record

CVE
CVE-2021-32540
Published
May 28, 2021
Updated
Sep 16, 2024
Vendor
Hundred Plus
Product
101EIP
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 28, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 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=RELEASE_200925

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Hundred Plus · 101EIPversion=RELEASE_200925

Published CVSS scores

5.4TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Cross-site Scripting (XSS)
T1059.007JavaScript

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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