Oracle Database Server up to 20.1 Application Express cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Oracle Database Server up to 20.1. This affects an unknown function of the component Application Express. The manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2020-11023. The attack may be launched remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Oracle Database Server up to 20.1 (Database Software). Affected is an unknown part of the component Application Express. 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 confidentiality, and integrity. CVE summarizes:

In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing <option> elements from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.

The weakness was shared 10/20/2020 as Oracle Critical Patch Update Advisory - October 2020. The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2020-11023. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is shared for download at packetstormsecurity.com. It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 208606 (CentOS 7 : pcs (RHSA-2022:7343)), which helps to determine the existence of the flaw in a target environment. This issue was added on 01/23/2025 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 02/13/2025:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (49767) and Tenable (208606). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.9
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208606
Nessus Name: CentOS 7 : pcs (RHSA-2022:7343)

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/30/2020 🔍
10/20/2020 +204 days 🔍
10/20/2020 +0 days 🔍
10/21/2020 +1 days 🔍
11/07/2025 +1843 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2020
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-11023 (🔍)
GCVE (CVE): GCVE-0-2020-11023
GCVE (VulDB): GCVE-100-162984
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/21/2020 20:47
Updated: 11/07/2025 20:49
Changes: 10/21/2020 20:47 (39), 11/21/2020 07:30 (3), 11/22/2020 07:46 (3), 11/22/2020 07:51 (16), 06/16/2024 23:27 (22), 10/14/2024 06:55 (2), 11/26/2024 23:00 (3), 01/23/2025 22:13 (14), 01/23/2025 23:55 (17), 05/05/2025 02:02 (3), 09/30/2025 15:34 (1), 11/07/2025 20:49 (1)
Complete: 🔍
Cache ID: 216::103

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