Chevereto up to 3.17.0 Image Upload image title cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.3 | $0-$5k | 0.00 |
A vulnerability was found in Chevereto up to 3.17.0. It has been rated as problematic. This issue affects an unknown code block of the component Image Upload Handler. The manipulation of the argument image title
with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.
The weakness was published 07/01/2021 as 49859. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2021-31721. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
The exploit is available at exploit-db.com. It is declared as proof-of-concept.
Upgrading to version 3.17.1 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Exploit-DB (49859).
Product
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: 4.8VulDB Meta Temp Score: 4.6
VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Chevereto 3.17.1
Timeline
04/23/2021 🔍07/01/2021 🔍
07/01/2021 🔍
07/09/2021 🔍
Sources
Advisory: 49859Status: Confirmed
CVE: CVE-2021-31721 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/01/2021 08:09Updated: 07/09/2021 07:10
Changes: 07/01/2021 08:09 (43), 07/09/2021 06:59 (2), 07/09/2021 07:10 (18)
Complete: 🔍
Cache ID: 3:4F5:103
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