CVE-2023-3580 — Improper Handling of Additional Special Element in GitHub repository squidex/squ

Improper Handling of Additional Special Element in GitHub repository squidex/squidex prior to 7.4.0.

01What is this vulnerability?

Improper Handling of Additional Special Element in GitHub repository squidex/squidex prior to 7.4.0.

02Affected products

Vendor	Product	Versions
squidex	squidex/squidex	unspecified

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

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: 2023-07-10T11:38:22.090Z
• Last modified: 2024-10-30T14:26:21.886Z

09References

• huntr.dev — https://huntr.dev/bounties/4eed53ca-06c2-43aa-aea8-c03ea5f13ce4
• github.com — https://github.com/squidex/squidex/commit/2aca7621845ce18ed4065cba8e3d0fa68aaf02…