CVE-2022-43363

Name: CVE-2022-43363
Creator: NVD / NIST
Published: 2022-12-06T16:15:11.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2022-43363 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Telegram Web 15.3.1 allows XSS via a certain payload derived from a Target Corporation website. NOTE: some third parties have been unable to discern any relationship between the Pastebin information and a possible XSS finding.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Telegram Web 15.3.1 allows XSS via a certain payload derived from a Target Corporation website. NOTE: some third parties have been unable to discern any relationship between the Pastebin information and a possible XSS finding.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.43%

34.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Telegram	Telegram	15.3.1

References

https://bugs.telegram.org/c/17831Product
https://pastebin.com/72MRwNXWExploit, Third Party Advisory
https://bugs.telegram.org/c/17831Product
https://pastebin.com/72MRwNXWExploit, Third Party Advisory

Timeline

Published: Dec 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43363?

How severe is CVE-2022-43363?

CVE-2022-43363 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43363?

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-2022-43363?

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

Scan your code now

Source: NVD / NIST