CVE-2023-6303 — A vulnerability was found in CSZCMS 1

A vulnerability was found in CSZCMS 1.3.0. It has been classified as problematic. This affects an unknown part of the file /admin/settings/ of the component Site Settings Page. The manipulation of the argument Additional Meta Tag with the input <svg><animate onbegin=aler

01What is this vulnerability?

A vulnerability was found in CSZCMS 1.3.0. It has been classified as problematic. This affects an unknown part of the file /admin/settings/ of the component Site Settings Page. The manipulation of the argument Additional Meta Tag with the input <svg><animate onbegin=alert(1) attributeName=x dur=1s> leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been…

02Affected products

Vendor	Product	Versions
n	a / CSZCMS	1.3.0

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: 2023-11-27T00:00:08.280Z
• Last modified: 2024-08-02T08:28:21.610Z

09References

• vuldb.com — https://vuldb.com/?id.246129
• vuldb.com — https://vuldb.com/?ctiid.246129
• github.com — https://github.com/t34t/CVE/blob/main/CSZCMS/0-Store-XSS-Vulnerability-in-cszcms…