CVE-2018-25339

HIGHNVD 8.28.2—
EchelonGraph scoreMEDIUM confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-05-17. NVD baseline CVSS 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.2Exploit: NoneExposed: 0

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

Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated attackers to extract database information using time-based blind techniques. Attackers can exploit the v parameter with sleep-based blind injection to confirm vulnerability and extract data.

CVSS v3
8.2
EG Score
8.2(medium)
EPSS
18.4%
KEV
Not listed

Published

May 17, 2026

Last Modified

May 18, 2026

Advisory Details (3)

Auto-updated May 17, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Zechat 1.5 SQL Injection via v parameter (time-based blind) | Advisories | VulnCheck

https://www.vulncheck.com/advisories/zechat-sql-injection-via-v-parameter-time-based-blind
generic🟡 PoC Available

Zechat 1.5 - SQL Injection / Cross-Site Request Forgery - PHP webapps Exploit

https://www.exploit-db.com/exploits/44685
generic

Buy Premium PHP Scripts | WordPress plugins, Themes & Website Templates | Bylancer | Bylancer

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Vendor Advisories for CVE-2018-25339(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 10× in last 7d / 68× 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.

Showing the most recent 100 of 201 total refreshes for this CVE.

  1. 2026-07-15 16:55 UTCEPSS rescore
  2. 2026-07-15 16:55 UTCEPSS rescore
  3. 2026-07-15 01:56 UTCEPSS rescore
  4. 2026-07-15 01:56 UTCEPSS rescore
  5. 2026-07-13 22:27 UTCEPSS rescore
  6. 2026-07-13 22:26 UTCEPSS rescore
  7. 2026-07-13 06:10 UTCEPSS rescore
  8. 2026-07-12 05:43 UTCEPSS rescore
  9. 2026-07-11 08:24 UTCEPSS rescore
  10. 2026-07-09 19:06 UTCEPSS rescore
  11. 2026-07-08 15:11 UTCEPSS rescore
  12. 2026-07-07 13:42 UTCEPSS rescore
  13. 2026-07-07 13:42 UTCEPSS rescore
  14. 2026-07-06 16:24 UTCEPSS rescore
  15. 2026-07-06 16:24 UTCEPSS rescore
  16. 2026-07-06 02:20 UTCEPSS rescore
  17. 2026-07-05 02:27 UTCEPSS rescore
  18. 2026-07-04 06:28 UTCEPSS rescore
  19. 2026-07-04 06:28 UTCEPSS rescore
  20. 2026-07-02 16:54 UTCEPSS rescore
  21. 2026-07-01 15:03 UTCEPSS rescore
  22. 2026-07-01 15:03 UTCEPSS rescore
  23. 2026-06-30 23:20 UTCEPSS rescore
  24. 2026-06-30 23:19 UTCEPSS rescore
  25. 2026-06-29 21:13 UTCEG score recompute
Show 75 more
  1. 2026-06-29 21:13 UTCGHSA enrichment
  2. 2026-06-29 14:03 UTCEPSS rescore
  3. 2026-06-28 14:04 UTCEPSS rescore
  4. 2026-06-28 10:57 UTCEG score recompute
  5. 2026-06-28 10:57 UTCGHSA enrichment
  6. 2026-06-28 04:53 UTCEPSS rescore
  7. 2026-06-28 04:53 UTCEPSS rescore
  8. 2026-06-27 21:43 UTCEG score recompute
  9. 2026-06-27 21:43 UTCGHSA enrichment
  10. 2026-06-27 08:52 UTCEG score recompute
  11. 2026-06-27 08:52 UTCGHSA enrichment
  12. 2026-06-27 03:06 UTCEPSS rescore
  13. 2026-06-27 03:06 UTCEPSS rescore
  14. 2026-06-26 20:00 UTCEG score recompute
  15. 2026-06-26 20:00 UTCGHSA enrichment
  16. 2026-06-25 18:30 UTCEG score recompute
  17. 2026-06-25 18:30 UTCGHSA enrichment
  18. 2026-06-25 13:47 UTCEPSS rescore
  19. 2026-06-25 13:47 UTCEPSS rescore
  20. 2026-06-24 14:02 UTCEPSS rescore
  21. 2026-06-24 14:02 UTCEPSS rescore
  22. 2026-06-23 21:30 UTCEPSS rescore
  23. 2026-06-23 21:30 UTCEPSS rescore
  24. 2026-06-23 21:30 UTCEPSS rescore
  25. 2026-06-22 14:23 UTCEPSS rescore
  26. 2026-06-21 14:54 UTCEPSS rescore
  27. 2026-06-21 14:54 UTCEPSS rescore
  28. 2026-06-21 01:57 UTCEPSS rescore
  29. 2026-06-21 01:57 UTCEPSS rescore
  30. 2026-06-19 19:23 UTCEPSS rescore
  31. 2026-06-19 19:23 UTCEPSS rescore
  32. 2026-06-18 17:50 UTCEPSS rescore
  33. 2026-06-18 17:50 UTCEPSS rescore
  34. 2026-06-18 02:30 UTCEG score recompute
  35. 2026-06-18 02:30 UTCGHSA enrichment
  36. 2026-06-17 17:50 UTCEPSS rescore
  37. 2026-06-17 17:50 UTCEPSS rescore
  38. 2026-06-17 13:18 UTCEG score recompute
  39. 2026-06-17 13:18 UTCGHSA enrichment
  40. 2026-06-16 21:43 UTCEG score recompute
  41. 2026-06-16 21:43 UTCGHSA enrichment
  42. 2026-06-16 17:50 UTCEPSS rescore
  43. 2026-06-16 17:50 UTCEPSS rescore
  44. 2026-06-15 23:18 UTCEG score recompute
  45. 2026-06-15 23:17 UTCGHSA enrichment
  46. 2026-06-15 17:45 UTCEPSS rescore
  47. 2026-06-15 01:00 UTCEG score recompute
  48. 2026-06-15 01:00 UTCGHSA enrichment
  49. 2026-06-14 23:15 UTCEPSS rescore
  50. 2026-06-14 23:14 UTCEPSS rescore
  51. 2026-06-14 11:53 UTCEG score recompute
  52. 2026-06-14 11:53 UTCGHSA enrichment
  53. 2026-06-13 23:02 UTCEG score recompute
  54. 2026-06-13 23:02 UTCGHSA enrichment
  55. 2026-06-13 22:58 UTCEPSS rescore
  56. 2026-06-13 02:50 UTCEG score recompute
  57. 2026-06-13 02:50 UTCGHSA enrichment
  58. 2026-06-12 23:09 UTCEPSS rescore
  59. 2026-06-12 23:09 UTCEPSS rescore
  60. 2026-06-12 13:55 UTCEG score recompute
  61. 2026-06-12 13:55 UTCGHSA enrichment
  62. 2026-06-12 01:04 UTCEG score recompute
  63. 2026-06-12 01:04 UTCGHSA enrichment
  64. 2026-06-11 13:57 UTCEPSS rescore
  65. 2026-06-11 12:12 UTCEG score recompute
  66. 2026-06-11 12:12 UTCGHSA enrichment
  67. 2026-06-10 23:21 UTCEG score recompute
  68. 2026-06-10 23:21 UTCGHSA enrichment
  69. 2026-06-10 22:16 UTCEPSS rescore
  70. 2026-06-10 13:19 UTCEPSS rescore
  71. 2026-06-10 10:29 UTCEG score recompute
  72. 2026-06-10 10:29 UTCGHSA enrichment
  73. 2026-06-09 21:37 UTCEG score recompute
  74. 2026-06-09 21:37 UTCGHSA enrichment
  75. 2026-06-09 08:32 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-25339?
CVE-2018-25339 is a high vulnerability published on May 17, 2026. Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated attackers to extract database information using time-based blind techniques. Attackers can exploit the v parameter with sleep-based blind injection to confirm vulnerability and extract data.
When was CVE-2018-25339 disclosed?
CVE-2018-25339 was first published in the National Vulnerability Database on May 17, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25339 actively exploited?
CVE-2018-25339 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-25339?
CVE-2018-25339 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2018-25339?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25339, 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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