CVE-2021-41565: TadTools special page parameter does not properly restrict the input of specific characters, thus remote attac

Q: How do I fix CVE-2021-41565?

tadtools: upgrade to 3.2.2. Exact commands for each OS are on this page.

Q: Is CVE-2021-41565 being exploited?

CVE-2021-41565 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-2021-41565 affect?

CVE-2021-41565 affects tadtools. Severity is medium (CVSS 6.1). TadTools special page parameter does not properly restrict the input of specific characters, thus remote attackers can inject JavaScript syntax without logging in, and further perform reflective XSS attacks.

Q: How urgent is CVE-2021-41565?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2021-41565 is a medium-severity flaw (CVSS 6.1) affecting tadtools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TadTools special page parameter does not properly restrict the input of specific characters, thus remote attackers can inject JavaScript syntax without logging in, and further perform reflective XSS attacks.

Why this priority

No elevated risk signals yet

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	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-10-08
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: tadtools project

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

Am I affected?

Timeline

2021-10-08 16:15 UTCPublished CVE record published
2026-06-17 04:08 UTCUpdated Record last modified

tadtools project tadtools UPGRADE

Affected: < 3.2.2

Fixed in: 3.2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.2.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tadtools

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-2021-41565?

tadtools: upgrade to 3.2.2. Exact commands for each OS are on this page.

Is CVE-2021-41565 being exploited?

CVE-2021-41565 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-2021-41565 affect?

CVE-2021-41565 affects tadtools. Severity is medium (CVSS 6.1). TadTools special page parameter does not properly restrict the input of specific characters, thus remote attackers can inject JavaScript syntax without logging in, and further perform reflective XSS attacks.

How urgent is CVE-2021-41565?

Priority 35/100. No elevated risk signals yet.

Related CVEs

CVE-2021-41975 HIGH 7.5 UPGRADE TadTools special page is vulnerable to authorization bypass, thus remote attackers can use the specific parame
CVE-2021-41566 CRITICAL 9.8 UPGRADE The file extension of the TadTools file upload function fails to filter, thus remote attackers can upload any

References

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