Stored Cross-Site Scripting in Serendipity 2.4.0 Affects Blog Security
CVE-2023-53932

5.1MEDIUM

Key Information:

Vendor

S9y

Status
Serendipity
Vendor
CVE Published:
17 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53932?

Serendipity version 2.4.0 is susceptible to a stored cross-site scripting flaw that enables authenticated users to inject harmful scripts into blog entries. This vulnerability allows attackers to create malicious blog entries containing JavaScript payloads that execute when other users view these posts. The compromised blog post can lead to unauthorized actions on behalf of users, compromising the integrity of the web application and exposing sensitive user information.

Affected Version(s)

Serendipity 2.4.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53932 - Proof of Concept

References

https://www.exploit-db.com/exploits/51373
exploit
https://docs.s9y.org/
product
https://www.vulncheck.com/advisories/serendipity-stored-c...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mirabbas Ağalarov
JSON
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CVE-2023-53932 : Stored Cross-Site Scripting in Serendipity 2.4.0 Affects Blog Security