CVE-2025-5035: The Firelight Lightbox WordPress plugin before 2.3.16 does not sanitise and escape title attributes before out

Q: How do I fix CVE-2025-5035?

firelight lightbox: upgrade to 2.3.16. Exact commands for each OS are on this page.

Q: Is CVE-2025-5035 being exploited?

CVE-2025-5035 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-2025-5035 affect?

CVE-2025-5035 affects firelight lightbox. Severity is medium (CVSS 5.4). The Firelight Lightbox WordPress plugin before 2.3.16 does not sanitise and escape title attributes before outputting them in the page, which could allow users with a role as low as contributors to perform stored Cross-Site Scripting attack

Q: How urgent is CVE-2025-5035?

Priority 27/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2025-5035 is a medium-severity flaw (CVSS 5.4) affecting firelight lightbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Firelight Lightbox WordPress plugin before 2.3.16 does not sanitise and escape title attributes before outputting them in the page, which could allow users with a role as low as contributors to perform stored Cross-Site Scripting attacks.

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	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-06-27
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: firelightwp

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 06:15 UTCPublished CVE record published
2026-06-17 09:47 UTCUpdated Record last modified

firelightwp firelight lightbox UPGRADE

Affected: < 2.3.16

Fixed in: 2.3.16

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy firelight-lightbox || rpm -q firelight-lightbox || firelight-lightbox --version

2. UPGRADE to 2.3.16 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade firelight-lightbox

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade firelight-lightbox

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-2025-5035?

firelight lightbox: upgrade to 2.3.16. Exact commands for each OS are on this page.

Is CVE-2025-5035 being exploited?

CVE-2025-5035 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-2025-5035 affect?

CVE-2025-5035 affects firelight lightbox. Severity is medium (CVSS 5.4). The Firelight Lightbox WordPress plugin before 2.3.16 does not sanitise and escape title attributes before outputting them in the page, which could allow users with a role as low as contributors to perform stored Cross-Site Scripting attack

How urgent is CVE-2025-5035?

Priority 27/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2025-3597 MEDIUM 5.9 UPGRADE The Firelight Lightbox WordPress plugin before 2.3.15 does not prevent users with post writing capabilities fr
CVE-2024-50460 MEDIUM 5.9 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Fireligh

References

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