CVE-2015-8766
Multiple cross-site scripting (XSS) vulnerabilities in content/content.systempreferences.php in Symphony CMS before 2.6.4 allow remote…
- 6.1MediumCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 22% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Multiple cross-site scripting (XSS) vulnerabilities in content/content.systempreferences.php in Symphony CMS before 2.6.4 allow remote attackers to inject arbitrary web script or HTML via the (1) email_sendmail[from_name], (2) email_sendmail[from_address], (3) email_smtp[from_name], (4) email_smtp[from_address], (5) email_smtp[host], (6) email_smtp[port], (7) jit_image_manipulation[trusted_external_sites], or (8) maintenance_mode[ip_whitelist] parameters to system/preferences.
Timeline
ID reserved
By mitre
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.8% · top 22% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistsymphonycms/symphony-2GHSA-4c5w-qqfg-grf3 (opens in a new tab)
References
4
- http://www.getsymphony.com/download/releases/version/2.6.4/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/symphonycms/symphony-2/commit/651e150091c61fb60ad1dff2bc2166185a83d9d6 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20151213 Symphony 2.6.3 ââ¬â Multiple Persistent Cross-Site Scripting Vulnerabilities (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- https://cybersecurityworks.com/zerodays/cve-2015-8766-getsymphoney.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-2352 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-4c5w-qqfg-grf3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-8766)Record last updated .