A security vulnerability has been detected in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /BSIT2.php. The manipulation of the argument course leads to cross site scripting. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
CVE-2026-78055
MEDIUMPre-NVD 4.34.3Trending — 3 sources updated this week
EchelonGraph scoreLOW confidence
This medium-severity CVE scores 4.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: secondary
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 4.3Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(low)
- EG Risk
- 24(Track)EG Risk 24/100SSVC: Track
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 computedSeverity43% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
August 23, 2026
Last Modified
August 23, 2026
Advisory Details (2)
Auto-updated Aug 23, 2026No patch confirmed yet.
generic
sourcecodester Class and Exam Timetabling System Project V1.0 /BEED1.php cross site scripting · Issue #11 · i-QvQ-i/first-OvO · GitHub
https://github.com/i-QvQ-i/first-OvO/issues/11Vendor Advisories for CVE-2026-78055(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 4× in last 7d / 4× 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.
- 2026-08-23 02:34 UTCEG score recompute
- 2026-08-23 02:32 UTCNVD updateCVSS v4 → 2.1
- 2026-08-23 01:36 UTCEG score recompute
- 2026-08-23 01:35 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-94
Frequently asked(4)
What is CVE-2026-78055?
CVE-2026-78055 is a medium vulnerability published on August 23, 2026. A security vulnerability has been detected in SourceCodester Class and Exam Timetabling System 1.0. Affected by this vulnerability is an unknown functionality of the file /BSIT2.php. The manipulation of the argument course leads to cross site scripting. Remote exploitation of the attack is…
When was CVE-2026-78055 disclosed?
CVE-2026-78055 was first published in the National Vulnerability Database on August 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-78055?
CVE-2026-78055 has a CVSS v3 base score of 4.3 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-78055?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78055, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-78055
Is Your Infrastructure Affected by CVE-2026-78055?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.