CVE-2025-49321: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytic

Q: How do I fix CVE-2025-49321?

eventin: upgrade to 4.0.29. Exact commands for each OS are on this page.

Q: Is CVE-2025-49321 being exploited?

CVE-2025-49321 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-49321 affect?

CVE-2025-49321 affects eventin. Severity is high (CVSS 7.1). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytics Eventin wp-event-solution allows Reflected XSS.This issue affects Eventin: from n/a through <= 4.0.28.

Routine

HIGH 7.1UPGRADE

CVE-2025-49321 is a high-severity flaw (CVSS 7.1) affecting eventin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytics Eventin wp-event-solution allows Reflected XSS.This issue affects Eventin: from n/a through <= 4.0.28.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-06-27
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: themewinter

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-27 12:15 UTCPublished CVE record published
2026-06-17 09:31 UTCUpdated Record last modified

themewinter eventin UPGRADE

Affected: < 4.0.29

Fixed in: 4.0.29

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy eventin || rpm -q eventin || eventin --version

2. UPGRADE to 4.0.29 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade eventin

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade eventin

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-49321?

eventin: upgrade to 4.0.29. Exact commands for each OS are on this page.

Is CVE-2025-49321 being exploited?

CVE-2025-49321 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-49321 affect?

CVE-2025-49321 affects eventin. Severity is high (CVSS 7.1). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytics Eventin wp-event-solution allows Reflected XSS.This issue affects Eventin: from n/a through <= 4.0.28.

How urgent is CVE-2025-49321?

Priority 29/100. High severity

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References

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