CVE-2021-47721

HIGH
Published Dec 23, 2025 Modified Dec 31, 2025 CWE-639

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.

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CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor Product
orangescrum orangescrum

References

Frequently Asked Questions

What is CVE-2021-47721? +
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. It has a CVSS v3.1 base score of 8.8 (HIGH).
How severe is CVE-2021-47721? +
CVE-2021-47721 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2021-47721? +
CVE-2021-47721 affects products from orangescrum, specifically: orangescrum. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2021-47721? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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