CVE-2026-82700

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-08-31. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was found in code-projects Online Shopping System 1.0. Affected by this vulnerability is an unknown functionality of the file /offersmail.php of the component Newsletter Subscription. The manipulation of the argument email results in cross site scripting. The attack may be performed from remote. The exploit has been made public and could be used.

CVSS v3
4.3
EG Score
4.3(high)
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 computed
Severity43% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

August 31, 2026

Last Modified

August 31, 2026

Advisory Details (2)

Auto-updated Aug 31, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

CVEsMarz/Stored Cross-Site Scripting (XSS) in Online Shopping System PHP email Parameter.md at main · ahmadmarz10-hub/CVEsMarz · GitHub

https://github.com/ahmadmarz10-hub/CVEsMarz/blob/main/Stored%20Cross-Site%20Scripting%20(XSS)%20in%20Online%20Shopping%20System%20PHP%20email%20Parameter.md
generic

Download Free Open Source Projects | PHP, C++ | Source code & Projects

https://code-projects.org/

Vendor Advisories for CVE-2026-82700(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 9× in last 7d / 9× 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.

  1. 2026-09-01 20:27 UTCEG score recompute
  2. 2026-09-01 20:27 UTCGHSA enrichment
  3. 2026-09-01 13:54 UTCEPSS rescore
  4. 2026-08-31 21:01 UTCEG score recompute
  5. 2026-08-31 21:01 UTCGHSA enrichment
  6. 2026-08-31 14:25 UTCEG score recompute
  7. 2026-08-31 14:20 UTCNVD updateCVSS v4 → 2.1
  8. 2026-08-31 14:06 UTCEG score recompute
  9. 2026-08-31 14:04 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-82700?
CVE-2026-82700 is a medium vulnerability published on August 31, 2026. A vulnerability was found in code-projects Online Shopping System 1.0. Affected by this vulnerability is an unknown functionality of the file /offersmail.php of the component Newsletter Subscription. The manipulation of the argument email results in cross site scripting. The attack may be performed…
When was CVE-2026-82700 disclosed?
CVE-2026-82700 was first published in the National Vulnerability Database on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82700 actively exploited?
CVE-2026-82700 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 80.7% of all scored CVEs.
What is the CVSS score of CVE-2026-82700?
CVE-2026-82700 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-82700?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82700, 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-2026-82700

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