Skip to main content
VulnerabilityPublished

CVE-2025-54527: JetBrains YouTrack · Clickjacking

Affects JetBrains YouTrackSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
JetBrains YouTrackAffected
  • =0
Fixed in–

AI-suggested

To mitigate CVE-2025-54527 effectively, European organizations should: 1) Immediately identify and inventory all instances of JetBrains YouTrack in use, including version numbers, to assess exposure. 2) Apply the latest available patches or updates from JetBrains as soon as they are released, since the vulnerability affects specific pre-2025.2 and 2025.3 versions. 3) In the absence of patches, consider disabling or restricting the use of widgets that rely on iframe sandboxing or limit iframe usage to trusted content only. 4) Implement Content Security Policy (CSP) headers that restrict popup creation and iframe sources to trusted domains to reduce the risk of popup abuse. 5) Educate users about the risks of interacting with unexpected popups within YouTrack and encourage vigilance against social engineering attempts. 6) Monitor network and application logs for unusual popup activity or iframe-related anomalies that could indicate exploitation attempts. 7) Where possible, isolate YouTrack instances within secure network segments and enforce strict access controls to limit exposure. 8) Engage with JetBrains support channels to obtain official guidance and updates regarding this vulnerability. These steps go beyond generic advice by focusing on configuration hardening, user awareness, and proactive monitoring tailored to the nature of this iframe sandbox bypass issue.

Description

In JetBrains YouTrack before 2025.2.86935, 2025.2.87167, 2025.3.87341, 2025.3.87344 improper iframe configuration in widget sandbox allows popups to bypass security restrictions

References

Community reviews

Loading reviews…