Critical severity9.1OSV Advisory· Published Jan 23, 2017· Updated Jun 17, 2026
CVE-2017-5539
CVE-2017-5539
Description
The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has a bypass vulnerability. An attacker can use ..\/ to bypass the filter rule. Then, this attacker can exploit this vulnerability to delete or read any files on the server. It can also be used to determine whether a file exists.
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Affected products
26.0.0-alpha, 6.0.0-alpha.1, 6.1.2-alpha, …+ 1 more
- (no CPE)range: 6.0.0-alpha, 6.0.0-alpha.1, 6.1.2-alpha, …
- (no CPE)range: = 6.8.4-stable
Patches
Vulnerability mechanics
References
4- b2evolution.net/downloads/6-8-5nvdPatchVendor Advisory
- github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48anvdIssue TrackingPatchThird Party Advisory
- github.com/b2evolution/b2evolution/issues/36nvdIssue TrackingPatchThird Party Advisory
- www.securityfocus.com/bid/95700nvdThird Party AdvisoryVDB Entry
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