CVE-2023-29998 — A Cross-site scripting (XSS) vulnerability in the content editor in Gis3W g3w-su

A Cross-site scripting (XSS) vulnerability in the content editor in Gis3W g3w-suite 3.5 allows remote authenticated users to inject arbitrary web script or HTML and gain privileges via the description parameter.

01What is this vulnerability?

A Cross-site scripting (XSS) vulnerability in the content editor in Gis3W g3w-suite 3.5 allows remote authenticated users to inject arbitrary web script or HTML and gain privileges via the description parameter.

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

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: 2023-07-07T00:00:00.000Z
• Last modified: 2024-11-14T19:45:14.993Z

09References

• github.com — https://github.com/g3w-suite
• labs.yarix.com — https://labs.yarix.com/2023/07/gis3w-persistent-xss-in-g3wsuite-3-5-cve-2023-299…