CVE-2025-46233: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sirv CDN

Q: How do I fix CVE-2025-46233?

sirv: upgrade to 7.5.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-46233 being exploited?

CVE-2025-46233 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-2025-46233 affect?

CVE-2025-46233 affects sirv. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sirv CDN and Image Hosting Sirv sirv allows Stored XSS.This issue affects Sirv: from n/a through <= 7.5.3.

Q: How urgent is CVE-2025-46233?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2025-46233 is a medium-severity flaw (CVSS 6.5) affecting sirv. 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 Sirv CDN and Image Hosting Sirv sirv allows Stored XSS.This issue affects Sirv: from n/a through <= 7.5.3.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-04-22
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: sirv

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

Am I affected?

Timeline

2025-04-22 10:15 UTCPublished CVE record published
2026-06-17 09:26 UTCUpdated Record last modified

sirv sirv UPGRADE

Affected: < 7.5.4

Fixed in: 7.5.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 7.5.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sirv

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-2025-46233?

sirv: upgrade to 7.5.4. Exact commands for each OS are on this page.

Is CVE-2025-46233 being exploited?

CVE-2025-46233 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-2025-46233 affect?

CVE-2025-46233 affects sirv. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sirv CDN and Image Hosting Sirv sirv allows Stored XSS.This issue affects Sirv: from n/a through <= 7.5.3.

How urgent is CVE-2025-46233?

Priority 26/100. No elevated risk signals yet.

Related CVEs

CVE-2024-8964 MEDIUM 6.4 UPGRADE The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to Stored Cross-Site Scripting
CVE-2024-8480 HIGH 8.8 UPGRADE The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized modification of
CVE-2024-6392 MEDIUM 5.4 UPGRADE The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized plugin settings
CVE-2024-5853 CRITICAL 9.9 UPGRADE The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to arbitrary file uploads due t
CVE-2024-32959 HIGH 8.8 UPGRADE Incorrect Privilege Assignment vulnerability in Sirv CDN and Image Hosting Sirv sirv.This issue affects Sirv:

References

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