CVE-2026-25847: jetbrains pycharm Cross-site Scripting
CVSS: 8.2v3.1HighAnalyzed
Published 09-02-2026Last modified 26-02-2026
Vulnerability summary
CVE-2026-25847 is a high (CVSS 8.2) Cross-site Scripting vulnerability in jetbrains pycharm. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 20.9% of scored vulnerabilities.
CVSS score
8.2/10
010
High · v3.1 (CVE.org)EPSS score
0.30%
0%100%
Low · +0.09 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-02-2026PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
In JetBrains PyCharm before 2025.3.2 a DOM-based XSS on Jupyter viewer page was possible
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:LSources2 sources · 6.1–8.2
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
+0.09 pp
From 0.21% on 19-09-2026
19-09-202619-10-2026
EPSS score0.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jetbrains1 product
- pycharm< 2025.3.2
1 vendor · 1 product
References
1 links- www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory