Simple Matted Thumbnails Plugin up to 1.01 on WordPress simple-matted-thumbnail.php $_SERVER["PHP_SELF"] cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Simple Matted Thumbnails Plugin up to 1.01 on WordPress. The affected element is an unknown function of the file ~/simple-matted-thumbnail.php. Performing a manipulation of the argument $_SERVER["PHP_SELF"] results in cross site scripting. This vulnerability was named CVE-2021-38339. The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Simple Matted Thumbnails Plugin up to 1.01 on WordPress (WordPress Plugin). It has been classified as problematic. This affects an unknown functionality of the file ~/simple-matted-thumbnail.php. The manipulation of the argument $_SERVER["PHP_SELF"] 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 presented 09/10/2021. It is possible to read the advisory at wordfence.com. This vulnerability is uniquely identified as CVE-2021-38339 since 08/09/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
By approaching the search of inurl:~/simple-matted-thumbnail.php it is possible to find vulnerable targets with Google Hacking.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at plugins.trac.wordpress.org.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 6.1
CNA Vector (Wordfence): 🔍
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: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Google Hack: 🔍
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: PatchStatus: 🔍
0-Day Time: 🔍
Patch: plugins.trac.wordpress.org
Timeline
08/09/2021 🔍09/10/2021 🔍
09/10/2021 🔍
09/16/2021 🔍
Sources
Advisory: wordfence.comStatus: Confirmed
CVE: CVE-2021-38339 (🔍)
GCVE (CVE): GCVE-0-2021-38339
GCVE (VulDB): GCVE-100-182463
Entry
Created: 09/10/2021 18:35Updated: 09/16/2021 08:24
Changes: 09/10/2021 18:35 (51), 09/16/2021 08:24 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.