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Public proof of concept

CVE-2023-25440

A public proof of concept exists; no exploitation attested.

  • Published2023-05-23
  • WeaknessCWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Stored Cross Site Scripting (XSS) vulnerability in the add contact function CiviCRM 5.59.alpha1, allows attackers to execute arbitrary code in first/second name field.

Timeline

dates in UTC
  1. 2023-05-23Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-25440?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-25440?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Civicrm
BranchAffectedFixed in
5.59= 5.59no fix published
civicrm
BranchAffectedFixed in
5.59≥ 5.59-alpha1.0, ≤ 5.59-alpha1.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • civicrmUbuntu:Pro:22.04:LTSall versions · no fixed version listed
  • civicrmUbuntu:Pro:20.04:LTSall versions · no fixed version listed
  • civicrmUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • civicrmUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • civicrmDebian:11all versions · no fixed version listed

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-51478
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Published
2023-05-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-w275-2cjx-pq96

Frequently asked questions

What is CVE-2023-25440?

Stored Cross Site Scripting (XSS) vulnerability in the add contact function CiviCRM 5.59.alpha1, allows attackers to execute arbitrary code in first/second name field.

Is CVE-2023-25440 actively exploited?

A proof-of-concept exploit exists for CVE-2023-25440, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-25440?

CVE-2023-25440 has a CVSS v3 base score of 5.4 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

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Sources for this record