A cross-site scripting (XSS) vulnerability in DynPG version 4.9.2 allows remote attackers…
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A cross-site scripting (XSS) vulnerability in DynPG version 4.9.2 allows remote attackers to inject JavaScript via the "refID" parameter.
Why it matters now
EPSS 0.00786 56th 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27528
- 2026-10-03 Alias added: GHSA-qrv7-39mw-29rc
References
More Dynpg vulnerabilities
- TI-2010-04133 SQL injection vulnerability in _rights.php in DynPG CMS 4.2.0 allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2010-01254 Multiple PHP remote file inclusion vulnerabilities in DynPG CMS 4.1.0, and possibly… CVSS 2.0MEDIUM 5.1
- TI-2010-04134 languages.inc.php in DynPG CMS 4.2.0 allows remote attackers to obtain sensitive… CVSS 2.0MEDIUM 5.0
- TI-2010-04132 Directory traversal vulnerability in languages.inc.php in DynPG CMS 4.1.1 and 4.2.0, when… CVSS 2.0MEDIUM 4.3
- TI-2020-16658 Cross Site Scripting (XSS) vulnerability in DynPG 4.9.1, allows authenticated attackers… CVSS 3.1MEDIUM 5.4
- TI-2021-09008 A cross-site scripting (XSS) vulnerability in DynPG version 4.9.2 allows remote attackers… CVSS 3.1MEDIUM 4.8
Sources
- CVE-2021-27528 · CVE Program
- CVE-2021-27528 · NVD
- FIRST EPSS
- GHSA-qrv7-39mw-29rc · GitHub Advisory Database · CC BY 4.0
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