|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability, which was classified as problematic, has been found in OWASP json-sanitizer up to 1.2.1. This issue affects an unknown code of the component Script Tag Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. Impacted is integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors.
The weakness was shared 01/14/2021. The advisory is shared at groups.google.com. The identification of this vulnerability is CVE-2021-23899. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
Upgrading to version 1.2.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
CVSSv3VulDB 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: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Cross site scripting
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceThreat: 🔍
0-Day Time: 🔒
Upgrade: json-sanitizer 1.2.2
Timeline01/14/2021 Advisory disclosed
01/14/2021 +0 days VulDB entry created
01/14/2021 +0 days VulDB last update
CVE: CVE-2021-23899 (🔒)
EntryCreated: 01/14/2021 01:34 PM
Changes: (40) software_vendor software_name software_version software_component vulnerability_cwe vulnerability_risk vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a vulnerability_cvss3_vuldb_rl vulnerability_cvss3_vuldb_rc advisory_url countermeasure_name countermeasure_upgrade_version countermeasure_upgrade_url countermeasure_patch_url source_cve advisory_date vulnerability_cvss2_vuldb_av vulnerability_cvss2_vuldb_ac vulnerability_cvss2_vuldb_ci vulnerability_cvss2_vuldb_ii vulnerability_cvss2_vuldb_ai vulnerability_cvss2_vuldb_rc vulnerability_cvss2_vuldb_rl vulnerability_cvss2_vuldb_au vulnerability_cvss2_vuldb_e vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_e vulnerability_cvss2_vuldb_basescore vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_basescore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore exploit_price_0day
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