CVE-2021-47716Public exploitNetwork attack vector

Authenticated script execution via unneutralized parameters

Published Dec 23, 2025 · Updated Apr 7, 2026

Cross-site scripting in Orangescrum 1.8.0 allows remote authenticated users to execute JavaScript in another user's browser. Application endpoints place attacker-controlled projid, CS_message, and name parameter values into web content without adequate neutralization. A victim must load the affected content, allowing script execution in that user's application context and exposure or modification of accessible data.

CVSS severity5.1
Medium
EPSS probability0.23%
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 Orangescrum 1.8.0 allows remote authenticated users to execute JavaScript in another user's browser. Application endpoints place attacker-controlled projid, CS_message, and name parameter values into web content without adequate neutralization. A victim must load the affected content, allowing script execution in that user's application context and exposure or modification of accessible data.

The record

CVE
CVE-2021-47716
Published
Dec 23, 2025
Updated
Apr 7, 2026
Vendor
Andolasoft Inc.
Product
Orangescrum
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 23, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 7, 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=1.8.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Andolasoft Inc. · Orangescrumversion=1.8.0

Published CVSS scores

5.4VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/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 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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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