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CVE-2021-4050

Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat

6.1 Medium

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.88%Up 0.2 points since Dec 9, 2021
90%50%10%1%

What each source reports

CVE List Score used 6.1

Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Record
CVE-2021-4050
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2021-2491 6.1

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Record
EUVD-2021-2491
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-97cc-825c-399g 6.1

Cross site scripting in remdex/livehelperchat

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Record
GHSA-97cc-825c-399g
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-79
Updated
2026-11-02
NVD 6.1

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Record
CVE-2021-4050
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
OSV 6.1

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Record
CVE-2021-4050
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVGHSA-97cc-825c-399g 6.1

Cross site scripting in remdex/livehelperchat

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Record
GHSA-97cc-825c-399g
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVBIT-livehelperchat-2021-4050 No score

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Record
BIT-livehelperchat-2021-4050
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
remdex/livehelperchat
Packagist
through 2.0 None known
livehelperchat
Bitnami
Not stated
Not evaluated
remdex/livehelperchat
Packagist
through 2.0, plus listed versions
1.741.811.821.831.84
Show 11 moreShow less
1.851.861.871.881.891.901.911.931.941.951.98
None known

Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-4050 is a medium vulnerability (CVSS 6.1) in Livehelperchat Livehelperchat/livehelperchat, published December 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.

References

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