CVE-2018-11628 — Data input into EMS Master Calendar before 8

Data input into EMS Master Calendar before 8.0.0.201805210 via URL parameters is not properly sanitized, allowing malicious attackers to send a crafted URL for XSS.

01What is this vulnerability?

Data input into EMS Master Calendar before 8.0.0.201805210 via URL parameters is not properly sanitized, allowing malicious attackers to send a crafted URL for XSS.

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: 2018-06-01T15:00:00.000Z
• Last modified: 2024-08-05T08:17:07.824Z

09References

• gist.github.com — https://gist.github.com/barrett092/c70752ca6960b8b9616a03006f291a28
• docs.emssoftware.com — https://docs.emssoftware.com/Content/V44.1_ReleaseNotes.htm
• www.securityfocus.com — http://www.securityfocus.com/bid/104428
• www.exploit-db.com — https://www.exploit-db.com/exploits/44831/