lazysizes up to 5.2.0 video-embed Plugin Attribute cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in lazysizes up to 5.2.0. This issue affects some unknown processing of the component video-embed Plugin. Such manipulation of the argument data-vimeo/data-vimeoparams/data-youtube/data-ytparams as part of Attribute leads to cross site scripting. This vulnerability is listed as CVE-2020-7642. The attack may be performed from remote. There is no available exploit.
Details
A vulnerability was found in lazysizes up to 5.2.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the component video-embed Plugin. The manipulation of the argument data-vimeo/data-vimeoparams/data-youtube/data-ytparams as part of a Attribute 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. CVE summarizes:
lazysizes through 5.2.0 allows execution of malicious JavaScript. The following attributes are not sanitized by the video-embed plugin: data-vimeo, data-vimeoparams, data-youtube and data-ytparams which can be abused to inject malicious JavaScript.
The weakness was presented 04/22/2020. This vulnerability is handled as CVE-2020-7642 since 01/21/2020. The attack may be launched remotely. A simple authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.4
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| 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-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
01/21/2020 🔍04/22/2020 🔍
04/23/2020 🔍
05/06/2025 🔍
Sources
Advisory: 3720ab8262552d4e063a38d8492f9490a231fd48Status: Confirmed
CVE: CVE-2020-7642 (🔍)
GCVE (CVE): GCVE-0-2020-7642
GCVE (VulDB): GCVE-100-154268
Entry
Created: 04/23/2020 11:47Updated: 05/06/2025 13:31
Changes: 04/23/2020 11:47 (36), 04/23/2020 11:52 (17), 06/02/2024 08:26 (19), 05/06/2025 13:31 (8)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.