Cross-site scripting (XSS) vulnerability in phpBB 2.0.18, when "Allowed HTML tags" is…
Priority LOW 17Published · 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
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cross-site scripting (XSS) vulnerability in phpBB 2.0.18, when "Allowed HTML tags" is enabled, allows remote attackers to inject arbitrary Javascript via a permitted HTML tag with " (quote) characters and active attributes such as onmouseover.
Why it matters now
EPSS 0.01861 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:phpbb_group:phpbb:2.0.18:*:*:*:*:*:*:* | 2.0.18 | Vulnerable | Phpbb Group |
- cpe:2.3:a:phpbb_group:phpbb:2.0.18:*:*:*:*:*:*:* Versions 2.0.18 Vulnerable ·Phpbb Group
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-4357
- 2026-10-03 Alias added: GHSA-5r2g-q7h9-fvcv
References
More Phpbb Group Phpbb vulnerabilities
- TI-2005-01974 PHP remote file inclusion vulnerability in viewtopic.php in phpBB 2.0.15 and earlier… CVSS 2.0HIGH 7.5
- TI-2004-01193 viewtopic.php in phpBB 2.x before 2.0.11 improperly URL decodes the highlight parameter… CVSS 2.0HIGH 7.5
- TI-2002-00458 db.php in phpBB 2.0 (aka phpBB2) RC-3 and earlier allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-2005-01131 The bbencode_second_pass and make_clickable functions in bbcode.php for phpBB before… CVSS 2.0HIGH 7.5
- TI-2002-02089 SQL injection vulnerability in Gender MOD 1.1.3 allows remote attackers to gain… CVSS 2.0HIGH 10.0
- TI-2007-01631 PHP remote file inclusion vulnerability in includes/usercp_register.php in phpBB 2.0.19… CVSS 2.0HIGH 10.0
Sources
- CVE-2005-4357 · CVE Program
- CVE-2005-4357 · NVD
- FIRST EPSS
- GHSA-5r2g-q7h9-fvcv · GitHub Advisory Database · CC BY 4.0
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