CVE-2024-52794

mediumpriority · track · 34EPSS 0.003 · 21 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.29% (21st) EPSS

CVSS 6.1 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Discourse is an open source platform for community discussion. Users clicking on the lightbox thumbnails could be affected. This problem is patched in the latest version of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

cvss

Technical severity, 0–10. One row per scoring source.

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.8mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:Lsecondary · ENISA EU

v3.16.8mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:Lsecondary · security-advisories@github.comexploitability 2.1 · impact 4.7

v3.15.8mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Beesco00/CVE-2024-52794-Discourse-Stored-XSSStored XSS in Discourse via image filename - CVE-2024-52794PoC · poc_in_github

affected products (7)

Products and version ranges known to be affected.

discourse discourse≤ tests-passed: ≤ 3.4.0.beta3enisa_euvdEU
discourse discourse≤ beta: ≤ 3.4.0.beta3enisa_euvdEU
discourse discourse≤ stable: ≤ 3.3.2enisa_euvdEU
discourse discourse< 3.3.2nvdUScpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
discourse discourse< 3.4.0nvdUScpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
discourse discourse= 3.4.0nvdUScpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
Bitnami discourse< 3.3.3osvUSpkg:bitnami/discourse

advisories (1)

Vendor and ecosystem advisories describing this.

BIT-discourse-2024-52794Magnific lightbox susceptible to Cross-site Scripting in Discourse2024-12-23vendor · osvUS
Discourse is an open source platform for community discussion. Users clicking on the lightbox thumbnails could be affected. This problem is patched in the latest version of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2024-12-19modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan