CVE-2017-8085 — In Exponent CMS before 2

In Exponent CMS before 2.4.1 Patch #5, XSS in elFinder is possible in framework/modules/file/connector/elfinder.php.

01What is this vulnerability?

In Exponent CMS before 2.4.1 Patch #5, XSS in elFinder is possible in framework/modules/file/connector/elfinder.php.

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: 2017-04-24T14:59:00.183
• Last modified: 2026-05-13T00:24:29.033

09References

• www.exponentcms.org — http://www.exponentcms.org/news/patch-5-released-for-v2-4-1-to-fix-a-few-critica…
• www.securityfocus.com — http://www.securityfocus.com/bid/98043
• github.com — https://github.com/exponentcms/exponent-cms/commit/0b2241ff1c7d86376fa260c5d4c17…
• github.com — https://github.com/exponentcms/exponent-cms/releases/tag/v2.4.1patch5
• www.exponentcms.org — http://www.exponentcms.org/news/patch-5-released-for-v2-4-1-to-fix-a-few-critica…
• www.securityfocus.com — http://www.securityfocus.com/bid/98043
• github.com — https://github.com/exponentcms/exponent-cms/commit/0b2241ff1c7d86376fa260c5d4c17…
• github.com — https://github.com/exponentcms/exponent-cms/releases/tag/v2.4.1patch5