CVE-2023-0214 — A cross-site scripting vulnerability in Skyhigh SWG in main releases 11

A cross-site scripting vulnerability in Skyhigh SWG in main releases 11.x prior to 11.2.6, 10.x prior to 10.2.17, and controlled release 12.x prior to 12.0.1 allows a remote attacker to craft SWG-specific internal requests with URL paths to any third-party website, causing arbitr

01What is this vulnerability?

A cross-site scripting vulnerability in Skyhigh SWG in main releases 11.x prior to 11.2.6, 10.x prior to 10.2.17, and controlled release 12.x prior to 12.0.1 allows a remote attacker to craft SWG-specific internal requests with URL paths to any third-party website, causing arbitrary content to be injected into the response when accessed through SWG.

02Affected products

Vendor	Product	Versions
Skyhigh Security	Secure Web Gateway (SWG)	11.x, 10.x, 12.x

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: 2023-01-18T10:49:16.055Z
• Last modified: 2025-04-03T18:07:47.531Z

09References

• kcm.trellix.com — https://kcm.trellix.com/corporate/index?page=content&id=SB10393