Joomla CMS up to 3.9.14 com_actionlogs Username cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Joomla CMS up to 3.9.14 and classified as problematic. This vulnerability affects unknown code of the component com_actionlogs. The manipulation as part of Username leads to cross site scripting. This vulnerability was named CVE-2020-8421. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Details
A vulnerability, which was classified as problematic, was found in Joomla CMS up to 3.9.14 (Content Management System). This affects an unknown code block of the component com_actionlogs. The manipulation as part of a Username 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 summary by CVE is:
An issue was discovered in Joomla! before 3.9.15. Inadequate escaping of usernames allows XSS attacks in com_actionlogs.
The weakness was released 01/28/2020. This vulnerability is uniquely identified as CVE-2020-8421. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
Upgrading to version 3.9.15 eliminates this vulnerability.
Entries connected to this vulnerability are available at VDB-149510 and VDB-149509. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: CMS 3.9.15
Timeline
01/28/2020 🔍01/28/2020 🔍
01/29/2020 🔍
03/27/2024 🔍
Sources
Vendor: joomla.orgAdvisory: developer.joomla.org
Status: Not defined
CVE: CVE-2020-8421 (🔍)
GCVE (CVE): GCVE-0-2020-8421
GCVE (VulDB): GCVE-100-149511
See also: 🔍
Entry
Created: 01/29/2020 08:04Updated: 03/27/2024 13:16
Changes: 01/29/2020 08:04 (39), 01/29/2020 08:09 (17), 03/27/2024 13:16 (19)
Complete: 🔍
Cache ID: 216:291:103
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