CVE-2021-27519
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript...
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.
- Record
CVE-2021-27519- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.
- Record
CVE-2021-27519- Updated
- 2026-11-02
EUVDEUVD-2021-14271 No score
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.
- Record
EUVD-2021-14271- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hjc2-j7hm-xj95 No score
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript...
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.
- Record
GHSA-hjc2-j7hm-xj95- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.
- Record
CVE-2021-27519- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | FUDForum 3.1.0 - 'srch' Reflected XSS | 2021-06-03 |
| Nuclei | FUDForum 3.1.0 - Cross-Site Scripting |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27519 is a medium vulnerability (CVSS 6.1) in Fudforum, published March 19, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.60%, the 94th percentile. No source names a fixed version.