CVE-2023-26146 — All versions of the package ithewei/libhv are vulnerable to Cross-site Scripting

All versions of the package ithewei/libhv are vulnerable to Cross-site Scripting (XSS) such that when a file with a name containing a malicious payload is served by the application, the filename is displayed without proper sanitization when it is rendered.

01What is this vulnerability?

All versions of the package ithewei/libhv are vulnerable to Cross-site Scripting (XSS) such that when a file with a name containing a malicious payload is served by the application, the filename is displayed without proper sanitization when it is rendered.

02Affected products

Vendor	Product	Versions
n	a / ithewei/libhv	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-09-29T05:00:01.401Z
• Last modified: 2024-09-23T16:30:04.213Z

09References

• security.snyk.io — https://security.snyk.io/vuln/SNYK-UNMANAGED-ITHEWEILIBHV-5730766
• gist.github.com — https://gist.github.com/dellalibera/c53448135480cbe12257c4b413a90d20