Orangescrum 1.8.0 Authenticated Privilege Escalation via User Session Manipulation
Priority HIGH 73CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00457 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Orangescrum | orangescrum | 1.8.0 | — | No fix listed | CNA |
- orangescrum VendorOrangescrum Affected 1.8.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:orangescrum:orangescrum:1.8.0:*:*:*:*:*:*:* | 1.8.0 | Vulnerable | Orangescrum |
- cpe:2.3:a:orangescrum:orangescrum:1.8.0:*:*:*:*:*:*:* Versions 1.8.0 Vulnerable ·Orangescrum
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47721
- 2026-10-03 Alias added: GHSA-r5c3-xjh9-7vcw
References
Exploit 1
Other 1
More Orangescrum vulnerabilities
- TI-2023-00158 OS command injection in OrangeScrum CVSS 3.1HIGH 8.8
- TI-2021-22337 Orangescrum 1.8.0 Authenticated SQL Injection via Multiple Parameters CVSS 4.0HIGH 8.7
- TI-2023-00429 Path traversal in OrangeScrum CVSS 3.1HIGH 8.1
- TI-2023-01675 OrangeScrum 2.0.11 - AWS Credentials Leak via PDF Rendering CVSS 3.1HIGH 7.6
- TI-2023-00700 Cross-site scripting in OrangeScrum CVSS 3.1MEDIUM 6.1
- TI-2023-00591 Cross-site scripting in OrangeScrum CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-47721 · CVE Program
- CVE-2021-47721 · NVD
- FIRST EPSS
- GHSA-r5c3-xjh9-7vcw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences