Cross-site scripting (XSS) vulnerability in attachment.php in MyBulletinBoard (MyBB)…
Priority LOW 28Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cross-site scripting (XSS) vulnerability in attachment.php in MyBulletinBoard (MyBB) 1.1.7 and possibly other versions allows remote attackers to inject arbitrary web script or HTML via a GIF image that contains URL-encoded Javascript, which is rendered by Internet Explorer.
Why it matters now
EPSS 0.023 83rd 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:mybulletinboard:mybulletinboard:1.1.7:*:*:*:*:*:*:* | 1.1.7 | Vulnerable | Mybulletinboard |
- cpe:2.3:a:mybulletinboard:mybulletinboard:1.1.7:*:*:*:*:*:*:* Versions 1.1.7 Vulnerable ·Mybulletinboard
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-4449
- 2026-10-03 Alias added: GHSA-w5xq-qgqm-hj39
References
Advisory 1
More Mybulletinboard vulnerabilities
- TI-2008-00357 Multiple eval injection vulnerabilities in MyBB 1.2.10 and earlier allow remote attackers… CVSS 2.0HIGH 7.5
- TI-2005-03945 Multiple unspecified vulnerabilities in MyBulletinBoard (MyBB) before 1.0 have unknown… CVSS 2.0HIGH 10.0
- TI-2006-02815 The domecode function in inc/functions_post.php in MyBulletinBoard (MyBB) 1.1.2, and… CVSS 2.0HIGH 7.5
- TI-2006-00930 SQL injection vulnerability in misc.php in MyBulletinBoard (MyBB) 1.03, when… CVSS 2.0HIGH 7.5
- TI-2006-03662 SQL injection vulnerability in the init function in class_session.php in MyBB (aka… CVSS 2.0HIGH 7.5
- TI-2005-01740 Multiple SQL injection vulnerabilities in MyBulletinBoard (MyBB) 1.00 RC4 allow remote… CVSS 2.0HIGH 7.5
Sources
- CVE-2006-4449 · CVE Program
- CVE-2006-4449 · NVD
- FIRST EPSS
- GHSA-w5xq-qgqm-hj39 · GitHub Advisory Database · CC BY 4.0
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