It was found in vanilla forums before 2.0.10 a cross-site scripting vulnerability where a filename could contain arbitrary code to execute on the client side.
Conclusion & alert: CVE-2010-4264 is rated Moderate Risk (40.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-17 | 0.06% | 0.24% | +0.18% |
| 2 | 2023-03-07 | 0.89% | 0.06% | -0.82% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| vanillaforums | vanilla_forums | < 2.0.10 | cpe:2.3:a:vanillaforums:vanilla_forums:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/vanilla/vanilla/commit/4535a059e4e24ca11a2ef0b4d754f262398bcece | Patch Third Party Advisory |
| https://seclists.org/oss-sec/2010/q4/282 | Mailing List Third Party Advisory |