CVE-2026-18968

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-08-06. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
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: Elevated riskExposed: 0

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

A security vulnerability has been detected in ttttonyhe OBlog up to 3ca6a45a2fcc81f6086751d8af124658720e8f8f. This issue affects some unknown processing of the file /tags.php. Such manipulation of the argument day leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

OBlog - Reflected Cross-Site Scripting (XSS) in tags.php · GitHub

https://gist.github.com/hackusman/a1ba43253d6a62ace31ef39ec325e973

Vendor Advisories for CVE-2026-18968(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 20× in last 7d / 51× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 14:19 UTCEG score recompute
  3. 2026-08-20 14:19 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 14:39 UTCGHSA enrichment
  6. 2026-08-18 15:44 UTCEG score recompute
  7. 2026-08-18 15:43 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 15:39 UTCEG score recompute
  10. 2026-08-17 15:39 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-16 16:45 UTCEG score recompute
  13. 2026-08-16 16:45 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 17:51 UTCEG score recompute
  17. 2026-08-15 17:51 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 18:56 UTCEG score recompute
  20. 2026-08-14 18:56 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 20:01 UTCGHSA enrichment
  23. 2026-08-12 21:07 UTCEG score recompute
  24. 2026-08-12 21:07 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 26 more
  1. 2026-08-12 07:54 UTCEG score recompute
  2. 2026-08-12 07:54 UTCGHSA enrichment
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-11 08:59 UTCEG score recompute
  5. 2026-08-11 08:59 UTCGHSA enrichment
  6. 2026-08-11 00:00 UTCEPSS rescore
  7. 2026-08-10 10:05 UTCEG score recompute
  8. 2026-08-10 10:05 UTCGHSA enrichment
  9. 2026-08-09 13:46 UTCEPSS rescore
  10. 2026-08-09 11:11 UTCEG score recompute
  11. 2026-08-09 11:11 UTCGHSA enrichment
  12. 2026-08-08 16:37 UTCEPSS rescore
  13. 2026-08-08 12:17 UTCEG score recompute
  14. 2026-08-08 12:17 UTCGHSA enrichment
  15. 2026-08-07 13:22 UTCGHSA enrichment
  16. 2026-08-06 14:28 UTCEG score recompute
  17. 2026-08-06 14:28 UTCGHSA enrichment
  18. 2026-08-06 14:27 UTCNVD updateCVSS v4 → 2.1
  19. 2026-08-06 13:53 UTCEG score recompute
  20. 2026-08-06 13:53 UTCGHSA enrichment
  21. 2026-08-06 13:52 UTCMITRE cvelistV5CVSS v4 → 5.3
  22. 2026-08-06 13:46 UTCEPSS rescore
  23. 2026-08-06 00:19 UTCEG score recompute
  24. 2026-08-06 00:19 UTCNVD updateCVSS v4 → 2.1
  25. 2026-08-05 23:20 UTCEG score recompute
  26. 2026-08-05 23:20 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-18968?
CVE-2026-18968 is a medium vulnerability published on August 5, 2026. A security vulnerability has been detected in ttttonyhe OBlog up to 3ca6a45a2fcc81f6086751d8af124658720e8f8f. This issue affects some unknown processing of the file /tags.php. Such manipulation of the argument day leads to cross site scripting. The attack may be performed from remote. The exploit…
When was CVE-2026-18968 disclosed?
CVE-2026-18968 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-18968 actively exploited?
CVE-2026-18968 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 81.6% of all scored CVEs.
What is the CVSS score of CVE-2026-18968?
CVE-2026-18968 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-18968?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-18968, 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

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