CVE-2021-3111

The Express Entries Dashboard in Concrete5 8.5.4 allows stored XSS via the name field of a new data object at an index.php/dashboard/express/entries/view/ URI.

CVSS v3.1 NVD

4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 NVD

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

3.04% chance of exploitation in the next 30 days, 87th percentile

Published

2021-01-08

Updated

2024-08-03

Proof-of-concept exploits (1)

• http://packetstormsecurity.com/files/161600/Concrete5-8.5.4-Cross-Site-Scripting.html

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/49721

Security advisories

• https://documentation.concrete5.org/developers/introduction/version-history
• https://documentation.concrete5.org/developers/introduction/version-history/855-release-n…
• http://packetstormsecurity.com/files/161997/Concrete5-8.5.4-Cross-Site-Scripting.html
• Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdf

References

• CVE Record
• NVD entry