Detections
Analytics

SCA: security update for markdown2 (GHSA-fv3h-8x5j-pvgq)

medium Tenable Self-Hosted Container Security Plugin ID 422197

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match
 succeeds. For example, an attack might use elementname@ or elementname- with an onclick attribute.
 (CVE-2020-11888)

See Also

https://github.com/advisories/GHSA-fv3h-8x5j-pvgq

Plugin Details

Severity: Medium

ID: 422197

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 8/7/2025

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 8.69

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2020-11888

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.1

Threat Score: 2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/22/2020

Vulnerability Publication Date: 4/20/2020

Reference Information

CVE: CVE-2020-11888

cwe: CWE-79