CRLF injection vulnerability in Serendipity before 0.7rc1 allows remote attackers to…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- 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
CRLF injection vulnerability in Serendipity before 0.7rc1 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the url parameter in (1) index.php and (2) exit.php, or (3) the HTTP Referer field in comment.php.
Why it matters now
EPSS 0.08139 94th 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 · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:s9y:serendipity:0.3:*:*:*:*:*:*:* | 0.3 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.4:*:*:*:*:*:*:* | 0.4 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.5:*:*:*:*:*:*:* | 0.5 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.5_pl1:*:*:*:*:*:*:* | 0.5_pl1 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.6:*:*:*:*:*:*:* | 0.6 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.6_pl1:*:*:*:*:*:*:* | 0.6_pl1 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.6_pl2:*:*:*:*:*:*:* | 0.6_pl2 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.6_pl3:*:*:*:*:*:*:* | 0.6_pl3 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.6_rc1:*:*:*:*:*:*:* | 0.6_rc1 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.6_rc2:*:*:*:*:*:*:* | 0.6_rc2 | Vulnerable | s9y |
- cpe:2.3:a:s9y:serendipity:0.3:*:*:*:*:*:*:* Versions 0.3 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.4:*:*:*:*:*:*:* Versions 0.4 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.5:*:*:*:*:*:*:* Versions 0.5 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.5_pl1:*:*:*:*:*:*:* Versions 0.5_pl1 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.6:*:*:*:*:*:*:* Versions 0.6 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.6_pl1:*:*:*:*:*:*:* Versions 0.6_pl1 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.6_pl2:*:*:*:*:*:*:* Versions 0.6_pl2 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.6_pl3:*:*:*:*:*:*:* Versions 0.6_pl3 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.6_rc1:*:*:*:*:*:*:* Versions 0.6_rc1 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.6_rc2:*:*:*:*:*:*:* Versions 0.6_rc2 Vulnerable ·s9y
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:s9y:serendipity:0.7_beta1:*:*:*:*:*:*:* | 0.7_beta1 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.7_beta2:*:*:*:*:*:*:* | 0.7_beta2 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.7_beta3:*:*:*:*:*:*:* | 0.7_beta3 | Vulnerable | s9y |
| cpe:2.3:a:s9y:serendipity:0.7_beta4:*:*:*:*:*:*:* | 0.7_beta4 | Vulnerable | s9y |
- cpe:2.3:a:s9y:serendipity:0.7_beta1:*:*:*:*:*:*:* Versions 0.7_beta1 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.7_beta2:*:*:*:*:*:*:* Versions 0.7_beta2 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.7_beta3:*:*:*:*:*:*:* Versions 0.7_beta3 Vulnerable ·s9y
- cpe:2.3:a:s9y:serendipity:0.7_beta4:*:*:*:*:*:*:* Versions 0.7_beta4 Vulnerable ·s9y
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1620
- 2026-10-03 Alias added: GHSA-3hfj-vjmw-rjj4
References
Exploit 1
Other 8
- 20041021 HTTP Response Splitting in Serendipity 0.7-beta4
- http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/exit.php?rev=1.10&view=markup
- http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/index.php?rev=1.52&view=markup
- 11039
- 11038
- http://sourceforge.net/project/shownotes.php?release_id=276694
- 11013
- http://cvs.sourceforge.net/viewcvs.py/php-blog/serendipity/comment.php?rev=1.49&view=markup
More s9y Serendipity vulnerabilities
- TI-2023-30216 Serendipity 2.4.0 Authenticated Remote Code Execution via File Upload CVSS 4.0HIGH 8.7
- TI-2024-38379 Serendipity 2.5.0 Remote Code Execution via Authenticated Media Upload CVSS 4.0HIGH 8.6
- TI-2026-28827 Serendipity: Host Header Injection leads to SMTP header injection via unvalidated HTTP_HOST CVSS 3.1HIGH 7.2
- TI-2026-28819 Serendipity: Host Header Injection enables authentication cookie scoping to an attacker-controlled domain CVSS 3.1MEDIUM 6.9
- TI-2023-30215 Serendipity 2.4.0 Stored Cross-Site Scripting via Admin Entry Creation CVSS 4.0MEDIUM 5.1
- TI-2011-00987 Cross-Site Scripting (XSS) in Xinha, as included in the Serendipity package before 1.5.5… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2004-1620 · CVE Program
- CVE-2004-1620 · NVD
- FIRST EPSS
- GHSA-3hfj-vjmw-rjj4 · GitHub Advisory Database · CC BY 4.0
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