CVE Explorer
CVE-2026-33386
QuickCMS is vulnerable to Cross-Site Scripting (XSS) through its insecure HTTP-based plugin‑fetching mechanism. A malicious attacker can perform a Man‑in‑the‑Middle (MITM) attack by impersonating the opensolution.org server and serving arbitrary HTML or JavaScript at the plugin list endpoint. When a user accesses the plugin page, the malicious content is automatically fetched, rendered, and executed.
This issue was fixed in a patch to version 6.8 published on 15.05.2026, deployments without th
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"QuickCMS","vendor":"OpenSolution","versions":[{"lessThanOrEqual":"6.8","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:b7cc568ea87992dc97a8ae06c102629311ac10964b4e459cb16d624f5362c75b · sha256:e0f95cefe462d90f… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"ADJACENT","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NO…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:b7cc568ea87992dc97a8ae06c102629311ac10964b4e459cb16d624f5362c75b · sha256:e0f95cefe462d90f… · /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:b7cc568ea87992dc97a8ae06c102629311ac10964b4e459cb16d624f5362c75b · sha256:e0f95cefe462d90f… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["third-party-advisory"],"url":"https://cert.pl/posts/2026/05/CVE-2026-33384/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b7cc568ea87992dc97a8ae06c102629311ac10964b4e459cb16d624f5362c75b · sha256:e0f95cefe462d90f… · /containers/cna/references/0
{"tags":["product"],"url":"https://opensolution.org/home.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b7cc568ea87992dc97a8ae06c102629311ac10964b4e459cb16d624f5362c75b · sha256:e0f95cefe462d90f… · /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.