CVE-2023-45881 — GibbonEdu Gibbon through version 25

GibbonEdu Gibbon through version 25.0.0 allows /modules/Planner/resources_addQuick_ajaxProcess.php file upload with resultant XSS. The imageAsLinks parameter must be set to Y to return HTML code. The filename attribute of the bodyfile1 parameter is reflected in the response.

01What is this vulnerability?

GibbonEdu Gibbon through version 25.0.0 allows /modules/Planner/resources_addQuick_ajaxProcess.php file upload with resultant XSS. The imageAsLinks parameter must be set to Y to return HTML code. The filename attribute of the bodyfile1 parameter is reflected in the response.

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: 2023-11-14T00:00:00.000Z
• Last modified: 2024-09-03T15:16:14.788Z

09References

• herolab.usd.de — https://herolab.usd.de/security-advisories/usd-2023-0024/