CVE-2017-7188 — Zurmo 3

Zurmo 3.1.1 Stable allows a Cross-Site Scripting (XSS) attack with a base64-encoded SCRIPT element within a data: URL in the returnUrl parameter to default/toggleCollapse.

01What is this vulnerability?

Zurmo 3.1.1 Stable allows a Cross-Site Scripting (XSS) attack with a base64-encoded SCRIPT element within a data: URL in the returnUrl parameter to default/toggleCollapse.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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: 2017-04-14T18:59:00.987
• Last modified: 2026-05-13T00:24:29.033

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/97681
• bitbucket.org — https://bitbucket.org/zurmo/zurmo/issues/426/to-report-a-xss-security-vulnerabil…
• github.com — https://github.com/faizzaidi/Zurmo-Stable-3.1.1-XSS-By-Provensec-LLC
• www.securityfocus.com — http://www.securityfocus.com/bid/97681
• bitbucket.org — https://bitbucket.org/zurmo/zurmo/issues/426/to-report-a-xss-security-vulnerabil…
• github.com — https://github.com/faizzaidi/Zurmo-Stable-3.1.1-XSS-By-Provensec-LLC