PT-2025-26829 · Discourse · Discourse

Tgxworld · Published 2025-06-25 · Updated 2025-08-25 · CVE-2025-48954

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Discourse versions prior to 3.5.0.beta6

Description: The issue is related to cross-site scripting when the content security policy is not enabled, specifically when using social logins.

Recommendations: For versions prior to 3.5.0.beta6, update to version 3.5.0.beta6 to resolve the issue. As a temporary workaround, enable the content security policy.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BIT-DISCOURSE-2025-48954

CVE-2025-48954

GHSA-26P5-MJJH-WFCF

Affected Products

Discourse

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/48xxx/CVE-2025-48954.json · Exploit
• https://github.com/discourse/discourse/security/advisories/GHSA-26p5-mjjh-wfcf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-48954 · Security Note
• https://osv.dev/vulnerability/CVE-2025-48954 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-discourse-2025-48954 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1937895800203362787 · Twitter Post
• https://twitter.com/CVEnew/status/1937883842318127401 · Twitter Post
• https://twitter.com/pdnuclei_bot/status/1957955752988922130 · Twitter Post
• https://twitter.com/cracbot/status/1939640109537845686 · Twitter Post
• https://t.me/cveNotify/133362 · Telegram Post
• https://t.me/cvetracker/27014 · Telegram Post