CVE-2021-38338: The Border Loading Bar WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the `f` and `t` pa

Q: How do I fix CVE-2021-38338?

border loading bar: upgrade to newer than 1.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-38338 being exploited?

CVE-2021-38338 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-2021-38338 affect?

CVE-2021-38338 affects border loading bar. Severity is medium (CVSS 6.1). The Border Loading Bar WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the `f` and `t` parameter found in the ~/titan-framework/iframe-googlefont-preview.php file which allows attackers to inject arbitrary web scripts,

Q: How urgent is CVE-2021-38338?

Priority 41/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2021-38338 is a medium-severity flaw (CVSS 6.1) affecting border loading bar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Border Loading Bar WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the `f` and `t` parameter found in the ~/titan-framework/iframe-googlefont-preview.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.1.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-09-10
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: border loading bar project

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

Am I affected?

Timeline

2021-09-10 14:15 UTCPublished CVE record published
2026-06-17 04:01 UTCUpdated Record last modified

border loading bar project border loading bar UPGRADE

Affected: <= 1.0.1

Fixed in: newer than 1.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy border-loading-bar || rpm -q border-loading-bar || border-loading-bar --version

2. UPGRADE to newer than 1.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade border-loading-bar

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade border-loading-bar

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-2021-38338?

border loading bar: upgrade to newer than 1.0.1. Exact commands for each OS are on this page.

Is CVE-2021-38338 being exploited?

CVE-2021-38338 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-2021-38338 affect?

CVE-2021-38338 affects border loading bar. Severity is medium (CVSS 6.1). The Border Loading Bar WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the `f` and `t` parameter found in the ~/titan-framework/iframe-googlefont-preview.php file which allows attackers to inject arbitrary web scripts,

How urgent is CVE-2021-38338?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

← Back to latest CVEs