SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in…
Priority LOW 26CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in include/functions.php does not properly block XSS payloads, as demonstrated by a crafted use of the onerror attribute of an IMG element.
Why it matters now
EPSS 0.00702 53rd percentileScored 2026-11-07
Public exploit Yes 2 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:syguestbook_a5_project:syguestbook_a5:1.2:*:*:*:*:*:*:* | 1.2 | Vulnerable | Syguestbook A5 Project |
- cpe:2.3:a:syguestbook_a5_project:syguestbook_a5:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·Syguestbook A5 Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13948
- 2026-10-03 Alias added: GHSA-j52j-79w7-7mgp
References
More Syguestbook A5 Project Syguestbook A5 vulnerabilities
- TI-2019-10402 SyGuestBook A5 Version 1.2 has no CSRF protection mechanism, as demonstrated by CSRF for… CVSS 3.0HIGH 8.8
- TI-2019-10403 index.php?c=admin&a=index in SyGuestBook A5 Version 1.2 has stored XSS via a reply to a comment. CVSS 3.0MEDIUM 5.4
Sources
- CVE-2019-13948 · CVE Program
- CVE-2019-13948 · NVD
- FIRST EPSS
- GHSA-j52j-79w7-7mgp · 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