Cross-site scripting (XSS) vulnerability in index.php in Vanilla Forums before 2.0.17…
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site scripting (XSS) vulnerability in index.php in Vanilla Forums before 2.0.17 allows remote attackers to inject arbitrary web script or HTML via the Target parameter in a /entry/signin action.
Why it matters now
EPSS 0.01272 70th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by 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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vanillaforums:vanilla:*:*:*:*:*:*:*:* | up to 2.0.16 | Vulnerable | Vanilla |
| cpe:2.3:a:vanillaforums:vanilla:2.0.9:*:*:*:*:*:*:* | 2.0.9 | Vulnerable | Vanilla |
| cpe:2.3:a:vanillaforums:vanilla:2.0.10:*:*:*:*:*:*:* | 2.0.10 | Vulnerable | Vanilla |
| cpe:2.3:a:vanillaforums:vanilla:2.0.11:*:*:*:*:*:*:* | 2.0.11 | Vulnerable | Vanilla |
| cpe:2.3:a:vanillaforums:vanilla:2.0.12:*:*:*:*:*:*:* | 2.0.12 | Vulnerable | Vanilla |
| cpe:2.3:a:vanillaforums:vanilla:2.0.13:*:*:*:*:*:*:* | 2.0.13 | Vulnerable | Vanilla |
| cpe:2.3:a:vanillaforums:vanilla:2.0.14:*:*:*:*:*:*:* | 2.0.14 | Vulnerable | Vanilla |
| cpe:2.3:a:vanillaforums:vanilla:2.0.15:*:*:*:*:*:*:* | 2.0.15 | Vulnerable | Vanilla |
- cpe:2.3:a:vanillaforums:vanilla:*:*:*:*:*:*:*:* Versions up to 2.0.16 Vulnerable ·Vanilla
- cpe:2.3:a:vanillaforums:vanilla:2.0.9:*:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Vanilla
- cpe:2.3:a:vanillaforums:vanilla:2.0.10:*:*:*:*:*:*:* Versions 2.0.10 Vulnerable ·Vanilla
- cpe:2.3:a:vanillaforums:vanilla:2.0.11:*:*:*:*:*:*:* Versions 2.0.11 Vulnerable ·Vanilla
- cpe:2.3:a:vanillaforums:vanilla:2.0.12:*:*:*:*:*:*:* Versions 2.0.12 Vulnerable ·Vanilla
- cpe:2.3:a:vanillaforums:vanilla:2.0.13:*:*:*:*:*:*:* Versions 2.0.13 Vulnerable ·Vanilla
- cpe:2.3:a:vanillaforums:vanilla:2.0.14:*:*:*:*:*:*:* Versions 2.0.14 Vulnerable ·Vanilla
- cpe:2.3:a:vanillaforums:vanilla:2.0.15:*:*:*:*:*:*:* Versions 2.0.15 Vulnerable ·Vanilla
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-0526
- 2026-10-03 Alias added: GHSA-9j5v-64p9-chpf
References
Exploit 4
More Vanilla vulnerabilities
- TI-2016-08157 The from method in library/core/class.email.php in Vanilla Forums before 2.3.1 allows… CVSS 3.0HIGH 7.5
- TI-2018-13393 Vanilla 2.6.x before 2.6.4 allows remote code execution. CVSS 3.0CRITICAL 9.8
- TI-2011-03188 An Access Control vulnerability exists in the Facebook, Twitter, and Embedded plugins in Vanilla Forums before 2.0.17.9. CVSS 3.1CRITICAL 9.8
- TI-2013-03085 Unspecified vulnerability in the update check in Vanilla Forums before 2.0.18.8 has… CVSS 2.0HIGH 7.5
- TI-2013-03084 Multiple SQL injection vulnerabilities in Vanilla Forums before 2.0.18.8 allow remote… CVSS 2.0HIGH 7.5
- TI-2018-13806 Vanilla before 2.5.5 and 2.6.x before 2.6.2 allows Remote Code Execution because… CVSS 3.0HIGH 7.2
Sources
- CVE-2011-0526 · CVE Program
- CVE-2011-0526 · NVD
- FIRST EPSS
- GHSA-9j5v-64p9-chpf · 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