How severe is CVE-2024-33905?

CVE-2024-33905 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2024-33905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-33905?

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

Does CVE-2024-33905 have an EU (EUVD) identifier?

Yes. CVE-2024-33905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34488.

When was CVE-2024-33905 published?

CVE-2024-33905 was published on 2024-04-29 and last updated on 2026-06-17.

CVE-2024-33905

CVE-2024-33905 is a medium-severity vulnerability with a CVSS 3.x base score of 4.6. 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 4.6)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34488
Weakness: CWE-79
Published: 2024-04-29
Last modified: 2026-06-17

Description

In Telegram WebK before 2.0.0 (488), a crafted Mini Web App allows XSS via the postMessage web_app_open_link event type.

Frequently asked questions

What is CVE-2024-33905?: In Telegram WebK before 2.0.0 (488), a crafted Mini Web App allows XSS via the postMessage web_app_open_link event type.
How severe is CVE-2024-33905?: CVE-2024-33905 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2024-33905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-33905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-33905 have an EU (EUVD) identifier?: Yes. CVE-2024-33905 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34488.
When was CVE-2024-33905 published?: CVE-2024-33905 was published on 2024-04-29 and last updated on 2026-06-17.

References

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