How severe is CVE-2020-28184?

CVE-2020-28184 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-28184 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28184?

CVE-2020-28184 affects Terra-master Tos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28184?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-28184 published?

CVE-2020-28184 was published on 2020-12-24 and last updated on 2026-06-17.

CVE-2020-28184

CVE-2020-28184 is a medium-severity vulnerability in Terra-master Tos with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Terra-master Tos
Published: 2020-12-24
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in TerraMaster TOS <= 4.2.06 allows remote authenticated users to inject arbitrary web script or HTML via the mod parameter to /module/index.php.

Frequently asked questions

What is CVE-2020-28184?: Cross-site scripting (XSS) vulnerability in TerraMaster TOS <= 4.2.06 allows remote authenticated users to inject arbitrary web script or HTML via the mod parameter to /module/index.php.
How severe is CVE-2020-28184?: CVE-2020-28184 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-28184 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28184?: CVE-2020-28184 affects Terra-master Tos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28184?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28184 published?: CVE-2020-28184 was published on 2020-12-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:terra-master:tos:*:*:*:*:*:*:*:*

More vulnerabilities in Terra-master Tos

CVE-2021-45840 — Critical (CVSS 9.8): It is possible to execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by…
CVE-2021-45837 — Critical (CVSS 9.8): It is possible to execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by…
CVE-2020-15568 — Critical (CVSS 9.8): TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic…
CVE-2020-28188 — Critical (CVSS 9.8): Remote Command Execution (RCE) vulnerability in TerraMaster TOS <= 4.2.06 allow remote unauthenticated attackers to…
CVE-2020-28187 — Critical (CVSS 9.8): Multiple directory traversal vulnerabilities in TerraMaster TOS <= 4.2.06 allow remote authenticated attackers to read,…
CVE-2021-45836 — High (CVSS 8.8): An authenticated attacker can execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X…

All CVEs affecting Terra-master Tos →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →