CVE-2021-27237
MEDIUMCVSS 4.8/10EPSS 0.96%
Last modified
CVE-2021-27237 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.
Description
The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Blackcat-Cms | Blackcat Cms | 1.3.6 |
References
- https://github.com/BlackCatDevelopment/BlackCatCMS/compare/1.3.6...1.4BetaPatch, Third Party Advisory
- https://www.exploit-db.com/exploits/49565Exploit, Third Party Advisory, VDB Entry
- https://github.com/BlackCatDevelopment/BlackCatCMS/compare/1.3.6...1.4BetaPatch, Third Party Advisory
- https://www.exploit-db.com/exploits/49565Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27237?
The admin panel in BlackCat CMS 1.3.6 allows stored XSS (by an admin) via the Display Name field to backend/preferences/ajax_save.php.
How severe is CVE-2021-27237?
CVE-2021-27237 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27237?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-27231Hestia Control Panel 1.3.5 and below, in a shared-hosting en…5.4
- CVE-2021-27232The RTSPLive555.dll ActiveX control in Pelco Digital Sentry …8.8
- CVE-2021-27233An issue was discovered in Mutare Voice (EVM) 3.x before 3.3…4.9
- CVE-2021-27234An issue was discovered in Mutare Voice (EVM) 3.x before 3.3…9.8
- CVE-2021-27235An issue was discovered in Mutare Voice (EVM) 3.x before 3.3…4.9
- CVE-2021-27236An issue was discovered in Mutare Voice (EVM) 3.x before 3.3…9.8
- CVE-2021-27239This vulnerability allows network-adjacent attackers to exec…8.8
- CVE-2021-27240This vulnerability allows local attackers to escalate privil…7.8
- CVE-2021-27241This vulnerability allows local attackers to delete arbitrar…6.1
- CVE-2021-27242This vulnerability allows local attackers to escalate privil…8.8
- CVE-2021-27243This vulnerability allows local attackers to escalate privil…8.8
- CVE-2021-27244This vulnerability allows local attackers to disclose sensit…6.5
Are you affected by CVE-2021-27237?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST