CVE-2021-43697: Workerman-ThinkPHP-Redis (last update Mar 16, 2018) is affected by a Cross Site Scripting (XSS) vulnerability

Q: How do I fix CVE-2021-43697?

workerman-thinkphp-redis: upgrade to 2018-03-16. Exact commands for each OS are on this page.

Q: Is CVE-2021-43697 being exploited?

CVE-2021-43697 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-2021-43697 affect?

CVE-2021-43697 affects workerman-thinkphp-redis. Severity is medium (CVSS 6.1). Workerman-ThinkPHP-Redis (last update Mar 16, 2018) is affected by a Cross Site Scripting (XSS) vulnerability. In file Controller.class.php, the exit function will terminate the script and print the message to the user. The message will con

Q: How urgent is CVE-2021-43697?

Priority 39/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2021-43697 is a medium-severity flaw (CVSS 6.1) affecting workerman-thinkphp-redis. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Workerman-ThinkPHP-Redis (last update Mar 16, 2018) is affected by a Cross Site Scripting (XSS) vulnerability. In file Controller.class.php, the exit function will terminate the script and print the message to the user. The message will contain $_GET{C('VAR_JSONP_HANDLER')] then there is a XSS vulnerability.

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	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-11-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: workerman-thinkphp-redis project

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

Am I affected?

Timeline

2021-11-29 13:15 UTCPublished CVE record published
2026-06-17 04:11 UTCUpdated Record last modified

workerman-thinkphp-redis project workerman-thinkphp-redis UPGRADE

Affected: < 2018-03-16

Fixed in: 2018-03-16

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy workerman-thinkphp-redis || rpm -q workerman-thinkphp-redis || workerman-thinkphp-redis --version

2. UPGRADE to 2018-03-16 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade workerman-thinkphp-redis

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade workerman-thinkphp-redis

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-2021-43697?

workerman-thinkphp-redis: upgrade to 2018-03-16. Exact commands for each OS are on this page.

Is CVE-2021-43697 being exploited?

CVE-2021-43697 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-2021-43697 affect?

CVE-2021-43697 affects workerman-thinkphp-redis. Severity is medium (CVSS 6.1). Workerman-ThinkPHP-Redis (last update Mar 16, 2018) is affected by a Cross Site Scripting (XSS) vulnerability. In file Controller.class.php, the exit function will terminate the script and print the message to the user. The message will con

How urgent is CVE-2021-43697?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities · Redis vulnerabilities

References

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