Cross-site scripting (XSS) vulnerability in plugins/markdown_plugin/_markdown.plugin.php…
Priority LOW 27CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.01193 68th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:* | up to 6.8.4 | Vulnerable | B2Evolution |
- cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:* Versions up to 6.8.4 Vulnerable ·B2Evolution
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-5553
- 2026-10-03 Alias added: GHSA-3qgg-x8gm-v5qm
References
More B2evolution vulnerabilities
- TI-2022-12996 An authorization bypass in b2evolution allows remote, unauthenticated attackers to… CVSS 3.1CRITICAL 9.1
- TI-2017-14642 b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and… CVSS 3.0CRITICAL 9.8
- TI-2016-07299 b2evolution 6.7.6 suffer from an Object Injection vulnerability in /htsrv/call_plugin.php. CVSS 3.0CRITICAL 9.8
- TI-2021-09447 SQL Injection in the "evoadm.php" component of b2evolution v7.2.2-stable allows remote… CVSS 3.1HIGH 8.8
- TI-2017-03554 The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has… CVSS 3.0CRITICAL 9.1
- TI-2020-14406 Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2017-5553 · CVE Program
- CVE-2017-5553 · NVD
- FIRST EPSS
- GHSA-3qgg-x8gm-v5qm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences