CVE-2025-12862: projectworlds online_notes_sharing_platform Improper Access Control
Vulnerability summary
CVE-2025-12862 is a critical (CVSS 9.8) Improper Access Control vulnerability in projectworlds online_notes_sharing_platform. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 07-11-2025PublishedVulnerability first disclosed.
- 24-02-2026Last modifiedVulnerability information updated.
Description
A vulnerability was identified in projectworlds Online Notes Sharing Platform 1.0. Affected by this issue is some unknown functionality of the file /dashboard/userprofile.php. Such manipulation of the argument image leads to unrestricted upload. The attack may be performed from remote. The exploit is publicly available and might be used.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST2.1LowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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:XDiffers
- CVE.orgCNA6.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RDiffers
- NVDNIST6.5MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.03 pp
From 0.36% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve
Maturity: poc
Weaknesses
CWE · root cause- CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
- CWE-434Unrestricted Upload of File with Dangerous TypeThe product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
Affected systems
Projectworlds1 product
1 vendor · 1 product
References
5 links- vuldb.com?submit.748850Third Party Advisory