CVE Explorer
CVE-2026-40544
SOPlanning is vulnerable to Stored Cross-Site Scripting (XSS) via /process/upload_backup endpoint. An authenticated attacker with access to the backup functionality can upload a crafted ZIP archive containing a malicious user.csv file with embedded JavaScript. The injected code is executed in the victim’s browser when a user clicks the Edit button for the malicious backup.
This issue affects SOPlanning version 1.55 and below.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"SOPlanning","vendor":"SOPlanning","versions":[{"lessThanOrEqual":"1.55","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:ee255ecb039032cdc82b0850712fe5cc0d942b94e0c30529fc06f9a7f42f9b1f · sha256:ddb5c09fd86cf19e… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"L…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:ee255ecb039032cdc82b0850712fe5cc0d942b94e0c30529fc06f9a7f42f9b1f · sha256:ddb5c09fd86cf19e… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:ee255ecb039032cdc82b0850712fe5cc0d942b94e0c30529fc06f9a7f42f9b1f · sha256:ddb5c09fd86cf19e… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["third-party-advisory"],"url":"https://cert.pl/en/posts/2026/06/CVE-2026-40543"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ee255ecb039032cdc82b0850712fe5cc0d942b94e0c30529fc06f9a7f42f9b1f · sha256:ddb5c09fd86cf19e… · /containers/cna/references/0
{"tags":["product"],"url":"https://www.soplanning.org/en/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ee255ecb039032cdc82b0850712fe5cc0d942b94e0c30529fc06f9a7f42f9b1f · sha256:ddb5c09fd86cf19e… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.