PT-2022-11755 · W3C · W3C Unicorn

Echo0X00 · Published 2022-12-29 · Updated 2024-05-17 · CVE-2021-4296

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 w3c Unicorn (affected versions not specified)

Description A problematic issue has been found in w3c Unicorn, affecting the function ValidatorNuMessage of the file src/org/w3c/unicorn/response/impl/ValidatorNuMessage.java. The manipulation of the argument message leads to cross-site scripting. The attack may be initiated remotely.

Recommendations To fix this issue, it is recommended to apply a patch with the name 51f75c31f7fc33859a9a571311c67ae4e95d9c68. As a temporary workaround, consider disabling the ValidatorNuMessage function until a patch is available. Restrict access to the vulnerable file src/org/w3c/unicorn/response/impl/ValidatorNuMessage.java to minimize the risk of exploitation. Avoid using the argument message in the affected function until the issue is resolved.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-4296

Affected Products

W3C Unicorn

References · 9

• https://github.com/w3c/Unicorn/commit/51f75c31f7fc33859a9a571311c67ae4e95d9c68 · Patch
• https://osv.dev/vulnerability/CVE-2021-4296 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-4296 · Security Note
• https://github.com/w3c/Unicorn/pull/212 · Note
• https://t.me/cibsecurity/55521 · Telegram Post
• https://t.me/cvenotify/40935 · Telegram Post
• https://vuldb.com/?ctiid.217019 · Note
• https://t.me/cvenotify/41400 · Telegram Post
• https://vuldb.com/?id.217019 · Note