How severe is CVE-2024-23834?

CVE-2024-23834 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-23834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23834?

CVE-2024-23834 primarily affects Discourse. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-23834?

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

Does CVE-2024-23834 have an EU (EUVD) identifier?

Yes. CVE-2024-23834 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21276.

When was CVE-2024-23834 published?

CVE-2024-23834 was published on 2024-01-30 and last updated on 2026-06-17.

CVE-2024-23834

CVE-2024-23834 is a medium-severity vulnerability in Discourse with a CVSS 3.x base score of 6.3. 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 6.3)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-21276
Weakness: CWE-79
Affected product: Discourse
Published: 2024-01-30
Last modified: 2026-06-17

Description

Discourse is an open-source discussion platform. Improperly sanitized user input could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. The vulnerability is patched in 3.1.5 and 3.2.0.beta5. As a workaround, ensure Content Security Policy is enabled and does not include `unsafe-inline`.

Frequently asked questions

What is CVE-2024-23834?: Discourse is an open-source discussion platform. Improperly sanitized user input could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. The vulnerability is patched in 3.1.5 and 3.2.0.beta5. As a workaround, ensure Content Security Policy is enabled and does not include `unsafe-inline`.
How severe is CVE-2024-23834?: CVE-2024-23834 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-23834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23834?: CVE-2024-23834 primarily affects Discourse. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-23834?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-23834 have an EU (EUVD) identifier?: Yes. CVE-2024-23834 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21276.
When was CVE-2024-23834 published?: CVE-2024-23834 was published on 2024-01-30 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*
cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.2.0:beta1:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.2.0:beta2:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.2.0:beta3:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.2.0:beta4:*:*:beta:*:*:*

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