CVE-2021-20116
A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.4. The paths provided in the f, d, and dir parameters in…
- Published
- Updated
- Reserved
- Assigned by
- tenable
Description
A reflected cross-site scripting vulnerability exists in TCExam <= 14.8.4. The paths provided in the f, d, and dir parameters in tce_select_mediafile.php were not properly validated and could cause reflected XSS via the unsanitized output of the path supplied. An attacker could craft a malicious link which, if triggered by an administrator, could result in the attacker hijacking the victim's session or performing actions on their behalf.
Timeline
ID reserved
By tenable
- 8 months later
· 8 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.94% · top 39% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
- Reflected Cross-Site Scripting
- CWE-79 (opens in a new tab)All about CWE-79 and its CVEs
Affected products
TCExam
- affected <= 14.8.4
References (1)
- https://www.tenable.com/security/research/tra-2021-32 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-20116)Record last updated .