CVE-2025-48918: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal S

Q: How do I fix CVE-2025-48918?

simple klaro: upgrade to 1.10.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-48918 being exploited?

CVE-2025-48918 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-2025-48918 affect?

CVE-2025-48918 affects simple klaro. Severity is high (CVSS 8.8). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Simple Klaro allows Cross-Site Scripting (XSS).This issue affects Simple Klaro: from 0.0.0 before 1.10.0.

Routine

HIGH 8.8UPGRADE

CVE-2025-48918 is a high-severity flaw (CVSS 8.8) affecting simple klaro. 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 Drupal Simple Klaro allows Cross-Site Scripting (XSS).This issue affects Simple Klaro: from 0.0.0 before 1.10.0.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (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	2025-06-13
Last modified	2026-06-17

Publisher (CNA): Drupal.org · Vendor: 1xinternet

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

Am I affected?

Timeline

2025-06-13 16:15 UTCPublished CVE record published
2026-06-17 09:30 UTCUpdated Record last modified

1xinternet simple klaro UPGRADE

Affected: < 1.10.0

Fixed in: 1.10.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy simple-klaro || rpm -q simple-klaro || simple-klaro --version

2. UPGRADE to 1.10.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade simple-klaro

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade simple-klaro

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-2025-48918?

simple klaro: upgrade to 1.10.0. Exact commands for each OS are on this page.

Is CVE-2025-48918 being exploited?

CVE-2025-48918 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-2025-48918 affect?

CVE-2025-48918 affects simple klaro. Severity is high (CVSS 8.8). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Simple Klaro allows Cross-Site Scripting (XSS).This issue affects Simple Klaro: from 0.0.0 before 1.10.0.

How urgent is CVE-2025-48918?

Priority 35/100. High severity

Software pages

Drupal vulnerabilities

Related CVEs

CVE-2025-48919 MEDIUM 5.0 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal S

References

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