CVE-2024-33905

Name: CVE-2024-33905
Creator: NVD / NIST
Published: 2024-04-29T06:15:17.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2024-33905 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. In Telegram WebK before 2.0.0 (488), a crafted Mini Web App allows XSS via the postMessage web_app_open_link event type.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.6/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L

EPSS Probability

0.94%

56.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

References

Timeline

Published: Apr 29, 2024
Last Modified: Jun 17, 2026
Status: Deferred

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 score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2024-33905?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-33905?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST