BlackCat CMS 1.3.6 ajax_save.php Display Name cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.2 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in BlackCat CMS 1.3.6 (Content Management System). This affects an unknown part of the file backend/preferences/ajax_save.php. The manipulation of the argument Display Name
with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.
The weakness was shared 02/17/2021 as 49565. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2021-27237. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:backend/preferences/ajax_save.php it is possible to find vulnerable targets with Google Hacking.
Upgrading eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be patching the affected component.
The vulnerability is also documented in the vulnerability database at Exploit-DB (49565).
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.6VulDB Meta Temp Score: 3.5
VulDB Base Score: 2.4
VulDB Temp Score: 2.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Upgrade: github.com
Patch: github.com
Timeline
02/16/2021 🔍02/17/2021 🔍
02/17/2021 🔍
03/02/2021 🔍
Sources
Advisory: 49565Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-27237 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/17/2021 07:52Updated: 03/02/2021 11:04
Changes: 02/17/2021 07:52 (47), 03/02/2021 10:59 (2), 03/02/2021 11:04 (18)
Complete: 🔍
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