CVE-2025-63638: Sourcecodester AI-Powered To-Do List App v1.0 is vulnerable to Cross-Site Scripting (XSS) in the "Task Title"

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-63638 is a medium-severity flaw (CVSS 6.1) affecting ai-powered to-do list app. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sourcecodester AI-Powered To-Do List App v1.0 is vulnerable to Cross-Site Scripting (XSS) in the "Task Title" and "Description (Optional)" fields when creating a Task, allowing an attacker to inject arbitrary potentially malicious HTML/JavaScript code that executes in the victim's browser upon clicking the "Add Task" button.

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	0.2% (top 85%)
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 20:15 UTCPublished CVE record published
2026-06-17 09:53 UTCUpdated Record last modified

remyandrade ai-powered to-do list app 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 ai-powered-to-do-list-app || rpm -q ai-powered-to-do-list-app || ai-powered-to-do-list-app --version

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

apt-cache madison ai-powered-to-do-list-app sudo apt install ai-powered-to-do-list-app=<VERSION_BEFORE_1.0> sudo apt-mark hold ai-powered-to-do-list-app

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

dnf --showduplicates list ai-powered-to-do-list-app sudo dnf downgrade ai-powered-to-do-list-app-<VERSION_BEFORE_1.0> sudo dnf versionlock add ai-powered-to-do-list-app

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-2025-63638?

ai-powered to-do list app: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-63638 being exploited?

CVE-2025-63638 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-2025-63638 affect?

CVE-2025-63638 affects ai-powered to-do list app. Severity is medium (CVSS 6.1). Sourcecodester AI-Powered To-Do List App v1.0 is vulnerable to Cross-Site Scripting (XSS) in the "Task Title" and "Description (Optional)" fields when creating a Task, allowing an attacker to inject arbitrary potentially malicious HTML/Java

How urgent is CVE-2025-63638?

Priority 30/100. Public exploit reference

References

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