CVE-2026-53674

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-10. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

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

BuddyPress 14.4.0 contains a regular expression injection vulnerability in the activity mention resolver that, when username compatibility mode is enabled, allows attackers to manipulate a REGEXP database clause by crafting mention names containing regex metacharacters. Attackers can submit @mentions whose metacharacters pass through esc_sql unescaped and are inserted into an unprepared REGEXP query against the users table, enabling boolean-based inference of usernames and denial of service through catastrophic backtracking.

CVSS v3
7.1
EG Score
7.1(medium)
EPSS
21.0%
KEV
Not listed

Published

June 10, 2026

Last Modified

June 10, 2026

Advisory Details (3)

Auto-updated Jun 12, 2026
No patch confirmed yet.
generic

BuddyPress 14.4.0 REGEXP Injection via @Mention Username Resolution | Advisories | VulnCheck

https://www.vulncheck.com/advisories/buddypress-regexp-injection-via-mention-username-resolution
generic

BuddyPress – WordPress plugin | WordPress.org

https://wordpress.org/plugins/buddypress/
generic

BuddyPress.org

https://buddypress.org/

Vendor Advisories for CVE-2026-53674(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 9× in last 7d / 81× 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 126 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-53674?
CVE-2026-53674 is a high vulnerability published on June 10, 2026. BuddyPress 14.4.0 contains a regular expression injection vulnerability in the activity mention resolver that, when username compatibility mode is enabled, allows attackers to manipulate a REGEXP database clause by crafting mention names containing regex metacharacters. Attackers can submit…
When was CVE-2026-53674 disclosed?
CVE-2026-53674 was first published in the National Vulnerability Database on June 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53674 actively exploited?
CVE-2026-53674 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53674?
CVE-2026-53674 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-53674?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53674, 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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