How severe is CVE-2022-36057?

CVE-2022-36057 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-2022-36057 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36057?

CVE-2022-36057 affects Discourse Discourse-chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36057?

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

When was CVE-2022-36057 published?

CVE-2022-36057 was published on 2022-09-06 and last updated on 2026-06-17.

CVE-2022-36057

CVE-2022-36057 is a medium-severity vulnerability in Discourse Discourse-chat 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)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Discourse Discourse-chat
Published: 2022-09-06
Last modified: 2026-06-17

Description

Discourse-Chat is an asynchronous messaging plugin for the Discourse open-source discussion platform. Users of Discourse Chat can be affected by admin users inserting HTML into chat titles and descriptions, causing a Cross-Site Scripting (XSS) attack. Version 0.9 contains a patch for this issue.

Frequently asked questions

What is CVE-2022-36057?: Discourse-Chat is an asynchronous messaging plugin for the Discourse open-source discussion platform. Users of Discourse Chat can be affected by admin users inserting HTML into chat titles and descriptions, causing a Cross-Site Scripting (XSS) attack. Version 0.9 contains a patch for this issue.
How severe is CVE-2022-36057?: CVE-2022-36057 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-2022-36057 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36057?: CVE-2022-36057 affects Discourse Discourse-chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36057?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-36057 published?: CVE-2022-36057 was published on 2022-09-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:discourse:discourse-chat:*:*:*:*:*:discourse:*:*

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