Vulnerability · Published Dec 29, 2022 · Assigned by VulDB

CVE-2021-4296w3c Unicorn ValidatorNuMessage.java ValidatorNuMessage cross site scripting

Low 3.5

In plain English

A low-severity cross-site scripting in Unicorn from w3c. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.6%top 53.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A vulnerability, which was classified as problematic, has been found in w3c Unicorn. This issue affects 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. The name of the patch is 51f75c31f7fc33859a9a571311c67ae4e95d9c68. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-217019.

Affected products (as reported)

Vendor	Product	Versions
w3c	Unicorn	n/a

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

References

https://vuldb.com/?id.217019 vdb-entry, technical-description
https://vuldb.com/?ctiid.217019 signature, permissions-required
https://github.com/w3c/Unicorn/pull/212 issue-tracking
https://github.com/w3c/Unicorn/commit/51f75c31f7fc33859a9a571311c67ae4e95d9c68 patch