PT-2022-11666 · Unknown · Panicsteve W2Wiki

Marc Clement + 1 · Published 2022-12-21 · Updated 2022-12-30 · CVE-2021-4271

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions panicsteve w2wiki (affected versions not specified)

Description A problematic issue has been found in the function toHTML of the file index.php of the component Markdown Handler, leading to cross-site scripting. The attack can be launched remotely.

Recommendations Apply a patch to fix this issue, specifically the patch with the name 8f1d0470b4ddb1c7699e3308e765c11ed29542b6. As a temporary workaround, consider disabling the toHTML function until a patch is available.

Fix

XSS

Improper Neutralization

Weakness Enumeration

CWE-79

CWE-707

Related Identifiers

CVE-2021-4271

Affected Products

Panicsteve W2Wiki

References · 5

• https://github.com/panicsteve/w2wiki/commit/8f1d0470b4ddb1c7699e3308e765c11ed29542b6 · Patch
• https://osv.dev/vulnerability/CVE-2021-4271 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4271 · Security Note
• https://vuldb.com/?id.216476 · Note
• https://t.me/cibsecurity/55069 · Telegram Post