CVE-2021-25076

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-01-25. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 17%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

The WP User Frontend WordPress plugin before 3.5.26 does not validate and escape the status parameter before using it in a SQL statement in the Subscribers dashboard, leading to an SQL injection. Due to the lack of sanitisation and escaping, this could also lead to Reflected Cross-Site Scripting

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
60(Track)
EG Risk 60/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
17%
EPSS %ILE
97%
KEV
Not listed

Published

January 24, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Aug 22, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

WP User Frontend < 3.5.26 – SQL Injection to Reflected Cross-Site Scripting | CVE 2021-25076 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/6d3eeba6-5560-4380-a6e9-f008a9112ac6

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 28× 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 132 total refreshes for this CVE.

  1. 2026-09-06 13:44 UTCEPSS rescore
  2. 2026-09-05 15:25 UTCEPSS rescore
  3. 2026-09-04 13:57 UTCEPSS rescore
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  1. 2026-08-13 21:57 UTCEPSS rescore
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  6. 2026-08-06 13:43 UTCEPSS rescore
  7. 2026-08-05 19:14 UTCEPSS rescore
  8. 2026-08-04 15:06 UTCEPSS rescore
  9. 2026-08-04 10:34 UTCEPSS rescore
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  20. 2026-07-25 14:15 UTCEPSS rescore
  21. 2026-07-24 14:15 UTCEPSS rescore
  22. 2026-07-23 14:16 UTCEPSS rescore
  23. 2026-07-23 01:58 UTCEG score recompute
  24. 2026-07-22 22:45 UTCEG score recompute
  25. 2026-07-22 14:06 UTCEPSS rescore
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  27. 2026-07-21 15:22 UTCEPSS rescore
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  29. 2026-07-20 17:05 UTCEPSS rescore
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  41. 2026-07-13 06:10 UTCEPSS rescore
  42. 2026-07-12 05:44 UTCEPSS rescore
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  44. 2026-07-11 08:25 UTCEPSS rescore
  45. 2026-07-11 08:25 UTCEPSS rescore
  46. 2026-07-09 19:07 UTCEPSS rescore
  47. 2026-07-08 15:12 UTCEPSS rescore
  48. 2026-07-06 16:25 UTCEPSS rescore
  49. 2026-07-06 16:25 UTCEPSS rescore
  50. 2026-07-05 02:28 UTCEPSS rescore
  51. 2026-07-02 16:57 UTCEPSS rescore
  52. 2026-07-01 15:03 UTCEPSS rescore
  53. 2026-06-30 23:20 UTCEPSS rescore
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  55. 2026-06-29 14:04 UTCEPSS rescore
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  59. 2026-06-27 03:06 UTCEPSS rescore
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  61. 2026-06-25 13:48 UTCEPSS rescore
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  63. 2026-06-24 14:03 UTCEPSS rescore
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  65. 2026-06-23 21:31 UTCEPSS rescore
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  67. 2026-06-22 14:24 UTCEPSS rescore
  68. 2026-06-22 14:24 UTCEPSS rescore
  69. 2026-06-21 14:55 UTCEPSS rescore
  70. 2026-06-21 14:54 UTCEPSS rescore
  71. 2026-06-21 01:58 UTCEPSS rescore
  72. 2026-06-21 01:58 UTCEPSS rescore
  73. 2026-06-18 17:51 UTCEPSS rescore
  74. 2026-06-18 17:51 UTCEPSS rescore
  75. 2026-06-17 17:51 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCabbarhissarh/CVE-2021-25076
    First seen Jun 4, 2022

    Wordpress Plugin WP User Frontend < 3.5.26 - SQL-Injection (Authenticated)

    Open source ↗
  • Exploit-DBEDB-50772
    First seen Feb 21, 2022

    WordPress Plugin WP User Frontend 3.5.25 - SQLi (Authenticated)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-25076?
CVE-2021-25076 is a high vulnerability published on January 24, 2022. The WP User Frontend WordPress plugin before 3.5.26 does not validate and escape the status parameter before using it in a SQL statement in the Subscribers dashboard, leading to an SQL injection. Due to the lack of sanitisation and escaping, this could also lead to Reflected Cross-Site Scripting
When was CVE-2021-25076 disclosed?
CVE-2021-25076 was first published in the National Vulnerability Database on January 24, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-25076 actively exploited?
CVE-2021-25076 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17% probability of exploitation in the next 30 days, which ranks it in the top 3.1% of all scored CVEs.
What is the CVSS score of CVE-2021-25076?
CVE-2021-25076 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2021-25076?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-25076, 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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