🛡️ CVE-2021-3313 — plone

⚪ Unknown ✅ No Known Exploit CWE-79 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Plone XSS in User Fullname Property and File Upload

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2021-3313 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2021-3313 is recorded against 1 package.

  • plone (fixed in 5.2.4)

Timeline and source

Published on 24 May 2022 and last revised on 15 October 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Package)
github.com (Web)
plone.org (Web)
plone.org (Web)
plone.org (Web)
plone.org (Web)
www.compass-security.com (Web)
www.openwall.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS 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
CWE CWE-79
Public Exploit ✅ No
Source OSV
Published 2022-05-24
Updated 2026-08-12
Modified 2024-10-15
Fix URL N/A

Affected Packages

Software From version Fixed in
plone — 5.2.4

Similar Threats

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