CVE-2017-20177: A vulnerability, which was classified as problematic, has been found in WangGuard Plugin 1.8.0 on WordPress

Routine

LOW 3.5DOWNGRADE

CVE-2017-20177 is a low-severity flaw (CVSS 3.5) affecting wangguard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in WangGuard Plugin 1.8.0 on WordPress. Affected by this issue is the function wangguard_users_info of the file wangguard-user-info.php of the component WGG User List Handler. The manipulation of the argument userIP leads to cross site scripting. The attack may be launched remotely. The patch is identified as 88414951e30773c8d2ec13b99642688284bf3189. It is recommended to apply a

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-02-06
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: wangguard project

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

Am I affected?

Timeline

2023-02-06 20:15 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

wangguard project wangguard DOWNGRADE

Affected: 1.8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.8.0 (Debian / Ubuntu)

apt-cache madison wangguard sudo apt install wangguard=<VERSION_BEFORE_1.8.0> sudo apt-mark hold wangguard

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wangguard sudo dnf downgrade wangguard-<VERSION_BEFORE_1.8.0> sudo dnf versionlock add wangguard

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-20177?

wangguard: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-20177 being exploited?

CVE-2017-20177 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-2017-20177 affect?

CVE-2017-20177 affects wangguard. Severity is low (CVSS 3.5). A vulnerability, which was classified as problematic, has been found in WangGuard Plugin 1.8.0 on WordPress. Affected by this issue is the function wangguard_users_info of the file wangguard-user-info.php of the component WGG User List Hand

How urgent is CVE-2017-20177?

Priority 25/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

← Back to latest CVEs