CVE-2018-25334

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-05-17. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.4Exploit: 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 Cross-Site Request Forgery (CSRF) vulnerability that allows an attacker to change a user's information by bypassing anti-CSRF protections. The application uses a CSRF token, but an attacker can use the hashtag parameter to inject an encoded payload and bypass the CSRF protection, allowing for unauthorized changes to user data. This can be exploited by tricking a user into submitting a crafted form or by using a script to obtain and set the CSRF token.

CVSS v3
5.4
EG Score
5.4(medium)
EPSS
4.2%
KEV
Not listed

Published

May 17, 2026

Last Modified

May 24, 2026

Advisory Details (3)

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

Zechat 1.5 Cross-Site Request Forgery (CSRF) via hashtag parameter | Advisories | VulnCheck

https://www.vulncheck.com/advisories/zechat-cross-site-request-forgery-csrf-via-hashtag-parameter
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-2018-25334(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 / 60× 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 160 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-25334?
CVE-2018-25334 is a medium vulnerability published on May 17, 2026. Zechat 1.5 contains a Cross-Site Request Forgery (CSRF) vulnerability that allows an attacker to change a user's information by bypassing anti-CSRF protections. The application uses a CSRF token, but an attacker can use the hashtag parameter to inject an encoded payload and bypass the CSRF…
When was CVE-2018-25334 disclosed?
CVE-2018-25334 was first published in the National Vulnerability Database on May 17, 2026, with the most recent update on May 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25334 actively exploited?
CVE-2018-25334 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-25334?
CVE-2018-25334 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2018-25334?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25334, 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.

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