CVE-2017-11677: Cross-site scripting (XSS) vulnerability in Hashtopus 1.5g allows remote attackers to inject arbitrary web scr

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MEDIUM 6.1DOWNGRADE

CVE-2017-11677 is a medium-severity flaw (CVSS 6.1) affecting hashtopus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Hashtopus 1.5g allows remote attackers to inject arbitrary web script or HTML via the query string to admin.php.

Why this priority

Public exploit reference

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

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 39%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-07-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hashtopus project

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

Am I affected?

Timeline

2017-07-27 06:29 UTCPublished CVE record published
2026-06-17 01:02 UTCUpdated Record last modified

hashtopus project hashtopus DOWNGRADE

Affected: 1.5g

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5g

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5g (Debian / Ubuntu)

apt-cache madison hashtopus sudo apt install hashtopus=<VERSION_BEFORE_1.5g> sudo apt-mark hold hashtopus

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

dnf --showduplicates list hashtopus sudo dnf downgrade hashtopus-<VERSION_BEFORE_1.5g> sudo dnf versionlock add hashtopus

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-2017-11677?

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

Is CVE-2017-11677 being exploited?

CVE-2017-11677 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-2017-11677 affect?

CVE-2017-11677 affects hashtopus. Severity is medium (CVSS 6.1). Cross-site scripting (XSS) vulnerability in Hashtopus 1.5g allows remote attackers to inject arbitrary web script or HTML via the query string to admin.php.

How urgent is CVE-2017-11677?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2017-11679 HIGH 8.8 DOWNGRADE Cross-Site Request Forgery (CSRF) exists in Hashtopus 1.5g via the password parameter to admin.php in an a=con
CVE-2017-11678 HIGH 8.8 DOWNGRADE SQL injection vulnerability in Hashtopus 1.5g allows remote authenticated users to execute arbitrary SQL comma

References

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