SCA: security update for plone (GHSA-hprr-4vfq-fcxw)

medium Tenable Self-Hosted Container Security Plugin ID 431916

Description

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

- Plone CMS until version 5.2.4 has a stored Cross-Site Scripting (XSS) vulnerability in the user fullname
property and the file upload functionality. The user's input data is not properly encoded when being
echoed back to the user. This data can be interpreted as executable code by the browser and allows an
attacker to execute JavaScript in the context of the victim's browser if the victim opens a vulnerable
page containing an XSS payload. (CVE-2021-3313)

See Also

https://github.com/advisories/GHSA-hprr-4vfq-fcxw

Plugin Details

Severity: Medium

ID: 431916

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 8/7/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 8.67

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.7

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

CVSS Score Source: CVE-2021-3313

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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: 5.3

Threat Score: 2.1

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/24/2022

Vulnerability Publication Date: 5/20/2021

Reference Information

CVE: CVE-2021-3313

cwe: CWE-79