W (vincent-peugnet/wcms) through 3.18.0 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the login user field and visitor comment website field. Attackers can submit failed logins rendered unescaped in the adminlog.php log viewer, or comment URLs echoed into href attributes in editrightbar.php, executing script with administrator or editor privileges.
CVE-2026-105124
MEDIUMPre-NVD 6.16.1—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 6.1 from GitHub Security Advisory published 2026-10-04. A secondary CVSS source baseline 6.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 6.1Exploit: None knownExposed services: Not assessed
No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.
- CVSS v3
- 6.1
- EG Score
- 6.1MEDIUMhigh confidence
- EG Risk
- 32EG Risk 32/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation0% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix. - EPSS PROB
- 0.2%
- EPSS %ILE
- 10th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
October 3, 2026
Last Modified
October 4, 2026
Advisory Details (6)
Auto-updated Oct 3, 2026No patch confirmed yet.
generic
W (wcms) through 3.18.0 Unauthenticated Stored XSS via Login Username and Comments | Advisories | VulnCheck
https://www.vulncheck.com/advisories/w-wcms-through-3.18.0-unauthenticated-stored-xss-via-login-username-and-commentsgeneric
wcms/app/view/templates/editrightbar.php at cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2 · vincent-peugnet/wcms · GitHub
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2/app/view/templates/editrightbar.php#L110generic
wcms/app/view/templates/adminlog.php at cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2 · vincent-peugnet/wcms · GitHub
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2/app/view/templates/adminlog.php#L71generic
wcms/app/class/Controllerconnect.php at cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2 · vincent-peugnet/wcms · GitHub
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2/app/class/Controllerconnect.php#L56generic
GitHub - vincent-peugnet/wcms: ⧉ light-weight experimental wiki · GitHub
https://github.com/vincent-peugnet/wcmsgeneric
Multiple High-Severity Vulnerabilities: Unrestricted Upload RCE, Path Traversal, Stored XSS, Missing CSRF · Issue #662 · vincent-peugnet/wcms · GitHub
https://github.com/vincent-peugnet/wcms/issues/662Vendor Advisories for CVE-2026-105124(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 6× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-05 02:19 UTCEG score recompute
- 2026-10-05 02:19 UTCGHSA enrichment
- 2026-10-04 23:21 UTCEPSS rescore
- 2026-10-04 00:20 UTCEG score recompute
- 2026-10-03 23:20 UTCEG score recompute
- 2026-10-03 23:20 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-105124?
CVE-2026-105124 is a medium vulnerability published on October 3, 2026. W (vincent-peugnet/wcms) through 3.18.0 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the login user field and visitor comment website field. Attackers can submit failed logins rendered unescaped in the adminlog.php log viewer, or…
When was CVE-2026-105124 disclosed?
CVE-2026-105124 was first published on October 3, 2026, with the most recent update on October 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-105124 actively exploited?
CVE-2026-105124 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (10th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-105124?
CVE-2026-105124 has a CVSS base score of 6.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-105124?
No fix for CVE-2026-105124 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-105124 are linked in the Vendor Advisories panel on this page.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-105124
Is Your Infrastructure Affected by CVE-2026-105124?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.