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
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.4Exploit: Elevated riskExposed: 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)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity54% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
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

https://bylancer.com

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 5× in last 7d / 49× 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 221 total refreshes for this CVE.

  1. 2026-09-04 13:56 UTCEPSS rescore
  2. 2026-09-04 05:02 UTCEPSS rescore
  3. 2026-09-02 14:07 UTCEPSS rescore
  4. 2026-09-01 13:49 UTCEPSS rescore
  5. 2026-09-01 03:32 UTCEPSS rescore
  6. 2026-08-28 21:36 UTCEPSS rescore
  7. 2026-08-27 14:21 UTCEPSS rescore
  8. 2026-08-26 14:42 UTCEPSS rescore
  9. 2026-08-25 13:44 UTCEPSS rescore
  10. 2026-08-23 17:19 UTCEG score recompute
  11. 2026-08-23 17:19 UTCGHSA enrichment
  12. 2026-08-22 00:46 UTCEG score recompute
  13. 2026-08-22 00:46 UTCGHSA enrichment
  14. 2026-08-21 23:45 UTCEPSS rescore
  15. 2026-08-20 22:51 UTCEPSS rescore
  16. 2026-08-20 19:13 UTCEG score recompute
  17. 2026-08-20 19:13 UTCGHSA enrichment
  18. 2026-08-19 17:00 UTCEPSS rescore
  19. 2026-08-18 13:44 UTCEPSS rescore
  20. 2026-08-17 13:43 UTCEPSS rescore
  21. 2026-08-17 10:09 UTCEG score recompute
  22. 2026-08-17 10:09 UTCGHSA enrichment
  23. 2026-08-16 14:51 UTCEPSS rescore
  24. 2026-08-16 03:42 UTCEG score recompute
  25. 2026-08-16 03:42 UTCGHSA enrichment
Show 75 more
  1. 2026-08-16 02:10 UTCEPSS rescore
  2. 2026-08-15 01:34 UTCEG score recompute
  3. 2026-08-15 01:34 UTCGHSA enrichment
  4. 2026-08-15 01:26 UTCEPSS rescore
  5. 2026-08-14 02:14 UTCEG score recompute
  6. 2026-08-14 02:14 UTCGHSA enrichment
  7. 2026-08-13 21:56 UTCEPSS rescore
  8. 2026-08-12 23:27 UTCEG score recompute
  9. 2026-08-12 23:27 UTCGHSA enrichment
  10. 2026-08-12 13:46 UTCEPSS rescore
  11. 2026-08-12 00:07 UTCEG score recompute
  12. 2026-08-12 00:07 UTCGHSA enrichment
  13. 2026-08-11 00:45 UTCEG score recompute
  14. 2026-08-11 00:45 UTCGHSA enrichment
  15. 2026-08-10 01:02 UTCEG score recompute
  16. 2026-08-10 01:02 UTCGHSA enrichment
  17. 2026-08-09 13:43 UTCEPSS rescore
  18. 2026-08-09 01:42 UTCEG score recompute
  19. 2026-08-09 01:42 UTCGHSA enrichment
  20. 2026-08-08 16:32 UTCEPSS rescore
  21. 2026-08-07 20:07 UTCGHSA enrichment
  22. 2026-08-06 20:47 UTCEG score recompute
  23. 2026-08-06 20:47 UTCGHSA enrichment
  24. 2026-08-06 13:42 UTCEPSS rescore
  25. 2026-08-05 21:27 UTCEG score recompute
  26. 2026-08-05 21:27 UTCGHSA enrichment
  27. 2026-08-05 19:13 UTCEPSS rescore
  28. 2026-08-04 15:05 UTCEPSS rescore
  29. 2026-08-03 18:51 UTCEG score recompute
  30. 2026-08-03 18:50 UTCGHSA enrichment
  31. 2026-08-02 18:01 UTCEG score recompute
  32. 2026-08-02 18:01 UTCGHSA enrichment
  33. 2026-08-02 02:23 UTCEPSS rescore
  34. 2026-08-01 18:41 UTCEG score recompute
  35. 2026-08-01 18:41 UTCGHSA enrichment
  36. 2026-08-01 04:12 UTCEPSS rescore
  37. 2026-07-30 16:24 UTCEPSS rescore
  38. 2026-07-30 01:27 UTCEPSS rescore
  39. 2026-07-28 15:32 UTCEPSS rescore
  40. 2026-07-26 14:51 UTCEPSS rescore
  41. 2026-07-26 14:51 UTCEPSS rescore
  42. 2026-07-23 14:15 UTCEPSS rescore
  43. 2026-07-23 01:36 UTCEG score recompute
  44. 2026-07-22 22:16 UTCEG score recompute
  45. 2026-07-22 14:05 UTCEPSS rescore
  46. 2026-07-21 15:22 UTCEPSS rescore
  47. 2026-07-20 17:04 UTCEPSS rescore
  48. 2026-07-20 17:04 UTCEPSS rescore
  49. 2026-07-19 14:28 UTCEPSS rescore
  50. 2026-07-19 02:26 UTCEPSS rescore
  51. 2026-07-19 02:26 UTCEPSS rescore
  52. 2026-07-16 16:59 UTCEPSS rescore
  53. 2026-07-16 16:59 UTCEPSS rescore
  54. 2026-07-15 16:55 UTCEPSS rescore
  55. 2026-07-15 16:55 UTCEPSS rescore
  56. 2026-07-15 01:56 UTCEPSS rescore
  57. 2026-07-15 01:56 UTCEPSS rescore
  58. 2026-07-13 06:10 UTCEPSS rescore
  59. 2026-07-12 05:43 UTCEPSS rescore
  60. 2026-07-11 08:24 UTCEPSS rescore
  61. 2026-07-09 19:06 UTCEPSS rescore
  62. 2026-07-08 15:11 UTCEPSS rescore
  63. 2026-07-07 13:42 UTCEPSS rescore
  64. 2026-07-07 13:42 UTCEPSS rescore
  65. 2026-07-06 02:20 UTCEPSS rescore
  66. 2026-07-05 02:27 UTCEPSS rescore
  67. 2026-07-04 06:28 UTCEPSS rescore
  68. 2026-07-04 06:28 UTCEPSS rescore
  69. 2026-07-02 16:54 UTCEPSS rescore
  70. 2026-07-01 15:03 UTCEPSS rescore
  71. 2026-07-01 15:03 UTCEPSS rescore
  72. 2026-06-30 23:20 UTCEPSS rescore
  73. 2026-06-30 23:19 UTCEPSS rescore
  74. 2026-06-29 21:13 UTCGHSA enrichment
  75. 2026-06-28 14:04 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 0% probability of exploitation in the next 30 days, which ranks it in the top 95.9% of all scored CVEs.
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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2018-25334

Explore →

Is Your Infrastructure Affected by CVE-2018-25334?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs