Calendar_plugin up to 1.0 on WordPress ~/calendar.php $_SERVER['PHP_SELF'] cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Calendar_plugin up to 1.0 on WordPress and classified as problematic. This issue affects some unknown processing of the file ~/calendar.php. The manipulation of the argument $_SERVER['PHP_SELF'] results in cross site scripting. This vulnerability is cataloged as CVE-2021-34667. The attack may be launched remotely. There is no exploit available. A patch should be applied to remediate this issue.
Details
A vulnerability classified as problematic has been found in Calendar_plugin up to 1.0 on WordPress (WordPress Plugin). Affected is an unknown code of the file ~/calendar.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 shared 08/17/2021. The advisory is available at wordfence.com. This vulnerability is traded as CVE-2021-34667. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.
By approaching the search of inurl:~/calendar.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.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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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 |
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| 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
06/10/2021 🔍08/17/2021 🔍
08/17/2021 🔍
08/19/2021 🔍
Sources
Advisory: wordfence.comStatus: Confirmed
CVE: CVE-2021-34667 (🔍)
GCVE (CVE): GCVE-0-2021-34667
GCVE (VulDB): GCVE-100-180954
Entry
Created: 08/17/2021 08:02Updated: 08/19/2021 09:17
Changes: 08/17/2021 08:02 (40), 08/19/2021 09:15 (2), 08/19/2021 09:17 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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