Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is…
Priority MEDIUM 45CWE-362Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.
Why it matters now
EPSS 0.1022 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
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:getsymphony:symphony:2.6.7:*:*:*:*:*:*:* | 2.6.7 | Vulnerable | Getsymphony |
- cpe:2.3:a:getsymphony:symphony:2.6.7:*:*:*:*:*:*:* Versions 2.6.7 Vulnerable ·Getsymphony
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4309
- 2026-10-03 Alias added: GHSA-rgfr-7g9m-xpr3
References
More Getsymphony Symphony vulnerabilities
- TI-2017-05330 Remote Code Execution vulnerability in symphony/content/content.blueprintsdatasources.php… CVSS 3.0HIGH 8.8
- TI-2010-02055 Directory traversal vulnerability in index.php in Symphony CMS 2.0.7 allows remote… CVSS 2.0HIGH 7.5
- TI-2020-15873 A XML External Entity (XXE) vulnerability was discovered in… CVSS 3.1CRITICAL 9.1
- TI-2010-03290 SQL injection vulnerability in lib/toolkit/events/event.section.php in Symphony CMS 2.0.7… CVSS 2.0HIGH 7.5
- TI-2013-02264 SQL injection vulnerability in Symphony CMS before 2.3.2 allows remote authenticated… CVSS 2.0MEDIUM 6.5
- TI-2015-07215 Multiple cross-site scripting (XSS) vulnerabilities in… CVSS 3.0MEDIUM 6.1
Sources
- CVE-2016-4309 · CVE Program
- CVE-2016-4309 · NVD
- FIRST EPSS
- GHSA-rgfr-7g9m-xpr3 · 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