PHP Event Calendar prior 2021-11-04 Parameter events_manager.php Title cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in PHP Event Calendar. This affects an unknown part of the file /server/ajax/events_manager.php of the component Parameter Handler. Performing a manipulation of the argument Title results in cross site scripting. This vulnerability was named CVE-2021-42078. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in PHP Event Calendar (Calendar Software). It has been classified as problematic. This affects an unknown functionality of the file /server/ajax/events_manager.php of the component Parameter Handler. The manipulation of the argument title 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 11/08/2021 as SYSS-2021-049. It is possible to read the advisory at syss.de. This vulnerability is uniquely identified as CVE-2021-42078 since 10/07/2021. 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:server/ajax/events_manager.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2021-11-04 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: 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: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP Event Calendar 2021-11-04

Timelineinfo

10/07/2021 🔍
11/04/2021 +28 days 🔍
11/08/2021 +4 days 🔍
11/08/2021 +0 days 🔍
11/10/2021 +2 days 🔍

Sourcesinfo

Advisory: SYSS-2021-049
Status: Confirmed

CVE: CVE-2021-42078 (🔍)
GCVE (CVE): GCVE-0-2021-42078
GCVE (VulDB): GCVE-100-186243

Entryinfo

Created: 11/08/2021 08:05
Updated: 11/10/2021 17:58
Changes: 11/08/2021 08:05 (42), 11/10/2021 17:58 (1)
Complete: 🔍
Cache ID: 216::103

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