OS4Ed openSIS 8.0 Parameter Ajax_url_encode.php link_url 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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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in OS4Ed openSIS 8.0. It has been classified as problematic. Affected is an unknown function of the file Ajax_url_encode.php of the component Parameter Handler. Performing a manipulation of the argument link_url results in cross site scripting. This vulnerability is identified as CVE-2021-40542. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in OS4Ed openSIS 8.0. This affects an unknown code block of the file Ajax_url_encode.php of the component Parameter Handler. The manipulation of the argument link_url 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 released 10/11/2021 as 189. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-40542 since 09/07/2021. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:Ajax_url_encode.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/07/2021 🔍
10/11/2021 +34 days 🔍
10/11/2021 +0 days 🔍
10/14/2021 +3 days 🔍

Sourcesinfo

Advisory: 189
Status: Confirmed

CVE: CVE-2021-40542 (🔍)
GCVE (CVE): GCVE-0-2021-40542
GCVE (VulDB): GCVE-100-184161

Entryinfo

Created: 10/11/2021 16:18
Updated: 10/14/2021 14:23
Changes: 10/11/2021 16:18 (40), 10/14/2021 14:23 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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