CVE-2025-63714: Cross-Site Scripting (XSS) vulnerability in SourceCodester User Account Generator 1.0 allows remote attackers

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-63714 is a medium-severity flaw (CVSS 6.1) affecting modern user account generator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-Site Scripting (XSS) vulnerability in SourceCodester User Account Generator 1.0 allows remote attackers to execute arbitrary JavaScript code in the context of the user's browser session via crafted input in the Username Prefix field. The vulnerability exists due to improper sanitization of user-supplied input when rendering generated account data to the DOM, allowing persistent injection of malicious HTML elements that execute when clicked

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-11-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: remyandrade

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-07 18:15 UTCPublished CVE record published
2026-06-17 09:53 UTCUpdated Record last modified

remyandrade modern user account generator DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy modern-user-account-generator || rpm -q modern-user-account-generator || modern-user-account-generator --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison modern-user-account-generator sudo apt install modern-user-account-generator=<VERSION_BEFORE_1.0> sudo apt-mark hold modern-user-account-generator

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list modern-user-account-generator sudo dnf downgrade modern-user-account-generator-<VERSION_BEFORE_1.0> sudo dnf versionlock add modern-user-account-generator

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-63714?

modern user account generator: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-63714 being exploited?

CVE-2025-63714 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-63714 affect?

CVE-2025-63714 affects modern user account generator. Severity is medium (CVSS 6.1). Cross-Site Scripting (XSS) vulnerability in SourceCodester User Account Generator 1.0 allows remote attackers to execute arbitrary JavaScript code in the context of the user's browser session via crafted input in the Username Prefix field.

How urgent is CVE-2025-63714?

Priority 32/100. Public exploit reference

References

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