01 Record
CVE-2025-35939
Craft CMS stores user-provided content in session files
MediumKEVPUBLISHEDCNA: cisa-cg
CNA base score6.9 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
02 Description
Craft CMS stores user-provided content in session files
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-06-02. Federal remediation due 2025-06-23.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 71.0% of scored records. A rank, not a probability.
- NVD base score
- 6.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-05-07 22:41Z1 YR AGO
- Last updated
- 2026-02-26 18:28Z8 MO AGO
- Reserved
- 2025-04-15
- Assigning CNA
- cisa-cg
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-472External Control of Assumed-Immutable Web ParameterBase
- Data version
- 5.2
- Document digest
- 4e277deb4514edfd13869c44b72d02a7937611197a1bd563106fa44372bd9822
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comurlhttps://github.com/craftcms/cms/pull/17220
- github.comurlhttps://github.com/craftcms/cms/releases/tag/4.15.3
- github.comurlhttps://github.com/craftcms/cms/releases/tag/5.7.5
- www.cve.orgurlhttps://www.cve.org/CVERecord?id=CVE-2025-35939
- raw.githubusercontent.comurlhttps://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-147-01.json
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-35939