CVE-2023-43875 — Multiple Cross-Site Scripting (XSS) vulnerabilities in installation of Subrion C

Multiple Cross-Site Scripting (XSS) vulnerabilities in installation of Subrion CMS v.4.2.1 allows a local attacker to execute arbitrary web scripts via a crafted payload injected into the dbhost, dbname, dbuser, adminusername and adminemail.

01What is this vulnerability?

Multiple Cross-Site Scripting (XSS) vulnerabilities in installation of Subrion CMS v.4.2.1 allows a local attacker to execute arbitrary web scripts via a crafted payload injected into the dbhost, dbname, dbuser, adminusername and adminemail.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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:

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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: 2023-10-19T00:00:00.000Z
• Last modified: 2024-09-12T19:49:57.951Z

09References

• github.com — https://github.com/sromanhu/Subrion-CMS-Reflected-XSS---Installation/blob/main/R…
• github.com — https://github.com/sromanhu/CVE-2023-43875-Subrion-CMS-Reflected-XSS---Installat…