# CVE-2026-22257: Salvo is vulnerable to stored XSS in the list_html function by uploading files with malicious names

Source: https://junglewise.ai/threats/cve-2026-22257-salvo-is-vulnerable-to-stored-xss-in-the-list-html-function-by  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-01-08  
License: CC BY 4.0 with a link back

CVE-2026-22257 · Severity: low · CVSS 3.1 · Published 2026-01-08

Salvo is vulnerable to stored XSS in the list_html function by uploading files with malicious names

Technologies: [salvo (crates.io)](https://junglewise.ai/threats/technologies/salvo). Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is CVE-2026-22257 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-22257 being exploited in the wild.

**How severe is CVE-2026-22257?** Low severity, with a CVSS score of 3.1, published 8 January 2026.

**Which products and versions are affected?** salvo (crates.io) SEMVER:introduced=0,fixed=0.88.1.

**Is there a fix for CVE-2026-22257?** Yes. salvo (crates.io): upgrade to 0.88.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-22257?** Check whether you run salvo (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- salvo (crates.io): upgrade to 0.88.1 or later

  ```sh
  cargo update -p salvo
  ```


## Affected products

- salvo (crates.io) SEMVER:introduced=0,fixed=0.88.1

## Identifiers

- CVE-2026-22257
- GHSA-54m3-5fxr-2f3j

## Related threats

- [Salvo Affected by Denial of Service via Unbounded Memory Allocation in Form Data Parsing](https://junglewise.ai/threats/cve-2026-33241-salvo-affected-by-denial-of-service-via-unbounded-memory)
- [Salvo has a Path Traversal in salvo-proxy::encode_url_path allows API Gateway Bypass](https://junglewise.ai/threats/cve-2026-33242-salvo-has-a-path-traversal-in-salvo-proxy-encode-url-path-allows)
- [Salvo is vulnerable to reflected XSS in the list_html function](https://junglewise.ai/threats/cve-2026-22256-salvo-is-vulnerable-to-reflected-xss-in-the-list-html-function)