CVE-2017-5480 — Directory traversal vulnerability in inc/files/files
Directory traversal vulnerability in inc/files/files.ctrl.php in b2evolution through 6.8.3 allows remote authenticated users to read or delete arbitrary files by leveraging back-office access to provide a .. (dot dot) in the fm_selected array parameter.
Published
2017-01-15T22:59:00.127
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
01What is this vulnerability?
Directory traversal vulnerability in inc/files/files.ctrl.php in b2evolution through 6.8.3 allows remote authenticated users to read or delete arbitrary files by leveraging back-office access to provide a .. (dot dot) in the fm_selected array parameter.
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: 2017-01-15T22:59:00.127
- Last modified: 2026-05-13T00:24:29.033
09References
- www.securityfocus.com — http://www.securityfocus.com/bid/95454
- github.com — https://github.com/b2evolution/b2evolution/commit/26841d9c81f27ad23b2f6e4bd5eaec…
- github.com — https://github.com/b2evolution/b2evolution/issues/35
- www.securityfocus.com — http://www.securityfocus.com/bid/95454
- github.com — https://github.com/b2evolution/b2evolution/commit/26841d9c81f27ad23b2f6e4bd5eaec…
- github.com — https://github.com/b2evolution/b2evolution/issues/35
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