CVE-2024-57240: A Cross-Site Scripting (XSS) vulnerability in the Rendering Engine component in Apryse WebViewer v11.1 and ear

Q: How do I fix CVE-2024-57240?

webviewer: upgrade to newer than 11.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-57240 being exploited?

CVE-2024-57240 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-2024-57240 affect?

CVE-2024-57240 affects webviewer. Severity is medium (CVSS 5.4). A Cross-Site Scripting (XSS) vulnerability in the Rendering Engine component in Apryse WebViewer v11.1 and earlier allows attackers to execute arbitrary code via a crafted PDF file.

Q: How urgent is CVE-2024-57240?

Priority 29/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2024-57240 is a medium-severity flaw (CVSS 5.4) affecting webviewer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross-Site Scripting (XSS) vulnerability in the Rendering Engine component in Apryse WebViewer v11.1 and earlier allows attackers to execute arbitrary code via a crafted PDF file.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-03-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: apryse

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

Am I affected?

Timeline

2025-03-03 17:15 UTCPublished CVE record published
2026-06-17 08:13 UTCUpdated Record last modified

apryse webviewer UPGRADE

Affected: <= 11.1

Fixed in: newer than 11.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 11.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webviewer

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-2024-57240?

webviewer: upgrade to newer than 11.1. Exact commands for each OS are on this page.

Is CVE-2024-57240 being exploited?

CVE-2024-57240 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-2024-57240 affect?

CVE-2024-57240 affects webviewer. Severity is medium (CVSS 5.4). A Cross-Site Scripting (XSS) vulnerability in the Rendering Engine component in Apryse WebViewer v11.1 and earlier allows attackers to execute arbitrary code via a crafted PDF file.

How urgent is CVE-2024-57240?

Priority 29/100. Public exploit reference

References

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