CVE-2023-44962

MEDIUM

Koha Library Software < 23.05.04 - Arbitrary File Read via Cover Image Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-44962. PoCs published by LadyDarwe.

AI-analyzed exploit summary This PoC demonstrates an information leakage vulnerability in Koha's `upload-cover-image.pl` script, where symbolic links in uploaded archives can expose file contents via log entries. The exploit leverages improper handling of symlinks to leak sensitive data like `/etc/passwd`.

Description

File Upload vulnerability in Koha Library Software 23.05.04 and before allows a remote attacker to read arbitrary files via the upload-cover-image.pl component.

Exploits (1)

nomisec WORKING POC
by LadyDarwe · poc
https://github.com/LadyDarwe/Links.a

This PoC demonstrates an information leakage vulnerability in Koha's `upload-cover-image.pl` script, where symbolic links in uploaded archives can expose file contents via log entries. The exploit leverages improper handling of symlinks to leak sensitive data like `/etc/passwd`.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Koha (specific version not specified)
Auth required
Prerequisites: Access to Koha's intranet interface · Ability to upload files · CataloguingLog preference enabled (default)
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory
https://github.com/ggb0n/CVE-2023-44962

Scores

CVSS v3 5.3
EPSS 0.0319
EPSS Percentile 87.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-434
Status published
Products (1)
koha-community/koha_library_software < 23.05.04
Published Oct 11, 2023
Tracked Since Feb 18, 2026