What is CVE-2022-28101?

Turtlapp Turtle Note v0.7.2.6 does not filter the tag during markdown parsing, allowing attackers to execute HTML injection.

How severe is CVE-2022-28101?

CVE-2022-28101 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-28101 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28101?

CVE-2022-28101 primarily affects Lyonbros Turtl. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-28101?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-28101 published?

CVE-2022-28101 was published on 2022-04-28 and last updated on 2026-06-17.

CVE-2022-28101

CVE-2022-28101 is a critical-severity vulnerability in Lyonbros Turtl with a CVSS 3.x base score of 9.0. 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: Critical (CVSS 3.x base score 9.0)
CVSS v2: 6.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Lyonbros Turtl
Published: 2022-04-28
Last modified: 2026-06-17

Description

Turtlapp Turtle Note v0.7.2.6 does not filter the <meta> tag during markdown parsing, allowing attackers to execute HTML injection.

Frequently asked questions

What is CVE-2022-28101?: Turtlapp Turtle Note v0.7.2.6 does not filter the <meta> tag during markdown parsing, allowing attackers to execute HTML injection.
How severe is CVE-2022-28101?: CVE-2022-28101 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-28101 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28101?: CVE-2022-28101 primarily affects Lyonbros Turtl. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-28101?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-28101 published?: CVE-2022-28101 was published on 2022-04-28 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:lyonbros:turtl:0.7.2.6:*:*:*:-:android:*:*
cpe:2.3:a:lyonbros:turtl:0.7.2.6:*:*:*:-:ios:*:*

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