CVE-2023-53932

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.4 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 88% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
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.

Serendipity 2.4.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through blog entry creation. Attackers can craft entries with JavaScript payloads that will execute when other users view the compromised blog post.

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
16%
KEV
Not listed

Published

December 17, 2025

Last Modified

December 27, 2025

Advisory Details (3)

Auto-updated Aug 8, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Serendipity 2.4.0 - Cross-Site Scripting (XSS) - PHP webapps Exploit

https://www.exploit-db.com/exploits/51373
generic

Serendipity 2.4.0 Stored Cross-Site Scripting via Admin Entry Creation | Advisories | VulnCheck

https://www.vulncheck.com/advisories/serendipity-stored-cross-site-scripting-via-admin-entry-creation
generic

Serendipity - A reliable, secure and extensible PHP blog | Serendipity Blog System

https://docs.s9y.org/

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 154 total refreshes for this CVE.

  1. 2026-09-20 20:14 UTCEPSS rescore
  2. 2026-09-20 20:14 UTCEPSS rescore
  3. 2026-09-18 19:26 UTCEPSS rescore
  4. 2026-09-16 14:06 UTCEPSS rescore
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  8. 2026-09-14 07:20 UTCOSV refresh
  9. 2026-09-13 16:45 UTCEPSS rescore
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  11. 2026-09-11 14:51 UTCEPSS rescore
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  14. 2026-09-07 15:59 UTCEPSS rescore
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  24. 2026-08-28 21:39 UTCEPSS rescore
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  1. 2026-08-26 14:44 UTCEPSS rescore
  2. 2026-08-26 08:43 UTCOSV refresh
  3. 2026-08-25 13:47 UTCEPSS rescore
  4. 2026-08-23 00:17 UTCEPSS rescore
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  6. 2026-08-21 23:47 UTCEPSS rescore
  7. 2026-08-20 22:53 UTCEPSS rescore
  8. 2026-08-19 17:02 UTCEPSS rescore
  9. 2026-08-18 13:46 UTCEPSS rescore
  10. 2026-08-16 14:54 UTCEPSS rescore
  11. 2026-08-16 02:12 UTCEPSS rescore
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  13. 2026-08-13 21:58 UTCEPSS rescore
  14. 2026-08-12 13:49 UTCEPSS rescore
  15. 2026-08-11 13:40 UTCEPSS rescore
  16. 2026-08-10 23:58 UTCEPSS rescore
  17. 2026-08-09 23:24 UTCEG score recompute
  18. 2026-08-09 23:24 UTCGHSA enrichment
  19. 2026-08-09 13:44 UTCEPSS rescore
  20. 2026-08-08 16:35 UTCEPSS rescore
  21. 2026-08-08 06:11 UTCEG score recompute
  22. 2026-08-08 06:11 UTCGHSA enrichment
  23. 2026-08-07 16:25 UTCEPSS rescore
  24. 2026-08-06 13:45 UTCEPSS rescore
  25. 2026-08-06 07:53 UTCEG score recompute
  26. 2026-08-06 07:53 UTCGHSA enrichment
  27. 2026-08-05 19:15 UTCEPSS rescore
  28. 2026-08-05 19:15 UTCEPSS rescore
  29. 2026-08-04 10:36 UTCEPSS rescore
  30. 2026-08-03 10:34 UTCEPSS rescore
  31. 2026-08-02 02:25 UTCEPSS rescore
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  35. 2026-07-28 15:34 UTCEPSS rescore
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  37. 2026-07-26 14:53 UTCEPSS rescore
  38. 2026-07-25 14:16 UTCEPSS rescore
  39. 2026-07-24 14:16 UTCEPSS rescore
  40. 2026-07-23 14:16 UTCEPSS rescore
  41. 2026-07-23 12:19 UTCOSV refresh
  42. 2026-07-23 02:30 UTCEG score recompute
  43. 2026-07-22 23:16 UTCEG score recompute▲ 0.80
  44. 2026-07-22 14:07 UTCEPSS rescore
  45. 2026-07-22 14:07 UTCEPSS rescore
  46. 2026-07-21 15:23 UTCEPSS rescore
  47. 2026-07-20 17:06 UTCEPSS rescore
  48. 2026-07-19 14:30 UTCEPSS rescore
  49. 2026-07-19 14:29 UTCEPSS rescore
  50. 2026-07-19 02:27 UTCEPSS rescore
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  52. 2026-07-18 10:03 UTCEPSS rescore
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  54. 2026-07-16 17:01 UTCEPSS rescore
  55. 2026-07-15 01:59 UTCEPSS rescore
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  57. 2026-07-13 22:28 UTCEPSS rescore
  58. 2026-07-13 22:28 UTCEPSS rescore
  59. 2026-07-13 06:11 UTCEPSS rescore
  60. 2026-07-12 05:45 UTCEPSS rescore
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  62. 2026-07-11 08:26 UTCEPSS rescore
  63. 2026-07-09 19:08 UTCEPSS rescore
  64. 2026-07-08 15:13 UTCEPSS rescore
  65. 2026-07-07 13:45 UTCEPSS rescore
  66. 2026-07-07 13:44 UTCEPSS rescore
  67. 2026-07-06 16:26 UTCEPSS rescore
  68. 2026-07-06 16:26 UTCEPSS rescore
  69. 2026-07-06 07:32 UTCOSV refresh
  70. 2026-07-05 02:29 UTCEPSS rescore
  71. 2026-07-04 06:29 UTCEPSS rescore
  72. 2026-07-01 15:05 UTCEPSS rescore
  73. 2026-06-30 23:21 UTCEPSS rescore
  74. 2026-06-30 23:21 UTCEPSS rescore
  75. 2026-06-29 14:05 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-53932?
CVE-2023-53932 is a medium vulnerability published on December 17, 2025. Serendipity 2.4.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject malicious scripts through blog entry creation. Attackers can craft entries with JavaScript payloads that will execute when other users view the compromised blog post.
When was CVE-2023-53932 disclosed?
CVE-2023-53932 was first published in the National Vulnerability Database on December 17, 2025, with the most recent update on December 27, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-53932 actively exploited?
CVE-2023-53932 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 84.1% of all scored CVEs.
What is the CVSS score of CVE-2023-53932?
CVE-2023-53932 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2023-53932?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-53932, 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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