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Vulnerability record · CVE-2017-5553 · published 23 January 2017

CVE-2017-5553: B2evolution cross-site scripting vulnerability

B2evolution · B2evolution

Cross-site scripting (XSS) vulnerability in plugins/markdown_plugin/_markdown.plugin.php in b2evolution before 6.8.5 allows remote authenticated users to inject arbitrary web script or HTML via a javascript: URL.

5.4 CVSS 3.0 Medium EPSS 1.2% · top 33.1% CWE-79 · Cross-site scripting
5.4CVSS 3.0 base score, v2 3.5
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Cross-site scripting (XSS) vulnerability in plugins/markdown_plugin/_markdown.plugin.php in b2evolution before 6.8.5 allows remote authenticated users to inject arbitrary web script or HTML via a javascript: URL.

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://b2evolution.net/downloads/6-8-5 PatchVendor Advisory
http://www.securityfocus.com/bid/95704 Third Party AdvisoryVDB Entry
https://github.com/b2evolution/b2evolution/commit/ce5b36e44b714b18b0bcd34c6db0187b8d13bab8 Issue TrackingPatchThird Party Advisory
http://b2evolution.net/downloads/6-8-5 PatchVendor Advisory
http://www.securityfocus.com/bid/95704 Third Party AdvisoryVDB Entry
https://github.com/b2evolution/b2evolution/commit/ce5b36e44b714b18b0bcd34c6db0187b8d13bab8 Issue TrackingPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2016-8901B2evolution injection vulnerabilityb2evolution 6.7.6 suffer from an Object Injection vulnerability in /htsrv/call_plugin.php.EPSS 2.4%9.8CVE-2017-1000423B2evolution improper input validation vulnerabilityb2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and single quote escape) in basic install functionality resulting in …EPSS 2.4%9.1CVE-2022-30935B2evolution vulnerabilityAn authorization bypass in b2evolution allows remote, unauthenticated attackers to predict password reset tokens for any user through the use of a ba…EPSS 1.4%9.1CVE-2017-5539B2evolution path traversal vulnerabilityThe patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has a bypass vulnerability. An attacker can use ..\/ to bypass …EPSS 4.2%8.8CVE-2021-28242B2evolution sql injection vulnerabilitySQL Injection in the "evoadm.php" component of b2evolution v7.2.2-stable allows remote attackers to obtain sensitive database information by injectin…EPSS 5.0%8.1CVE-2017-5480B2evolution path traversal vulnerabilityDirectory traversal vulnerability in inc/files/files.ctrl.php in b2evolution through 6.8.3 allows remote authenticated users to read or delete arbitr…EPSS 2.5%7.5CVE-2016-9479B2evolution vulnerabilityThe "lost password" functionality in b2evolution before 6.7.9 allows remote attackers to reset arbitrary user passwords via a crafted request.EPSS 1.8%7.5CVE-2007-2681B2evolution vulnerabilityDirectory traversal vulnerability in blogs/index.php in b2evolution 1.6 allows remote attackers to include and execute arbitrary local files via a ..…EPSS 1.5%

Source: NIST National Vulnerability Database (record CVE-2017-5553), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.