CVE-2017-5494 — Multiple cross-site scripting (XSS) vulnerabilities in the file types table in b

Multiple cross-site scripting (XSS) vulnerabilities in the file types table in b2evolution through 6.8.3 allow remote authenticated users to inject arbitrary web script or HTML via a .swf file in a (1) comment frame or (2) avatar frame.

01What is this vulnerability?

Multiple cross-site scripting (XSS) vulnerabilities in the file types table in b2evolution through 6.8.3 allow remote authenticated users to inject arbitrary web script or HTML via a .swf file in a (1) comment frame or (2) avatar frame.

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: 2017-01-15T22:59:00.190
• Last modified: 2026-05-13T00:24:29.033

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/95452
• github.com — https://github.com/b2evolution/b2evolution/commit/261dbd5b294e707af766691e65a177…
• github.com — https://github.com/b2evolution/b2evolution/issues/34
• www.securityfocus.com — http://www.securityfocus.com/bid/95452
• github.com — https://github.com/b2evolution/b2evolution/commit/261dbd5b294e707af766691e65a177…
• github.com — https://github.com/b2evolution/b2evolution/issues/34