CVE-2014-8377: Cross-site scripting (XSS) vulnerability in Webasyst Shop-Script 5.2.2.30933 allows remote attackers to inject

Routine

MEDIUM 4.3DOWNGRADE

CVE-2014-8377 is a medium-severity flaw (CVSS 4.3) affecting shop-script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Webasyst Shop-Script 5.2.2.30933 allows remote attackers to inject arbitrary web script or HTML via the phone number field in a new contact to phpecom/index.php/webasyst/contacts/.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-10-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: webasyst

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

Am I affected?

Timeline

2014-10-21 15:55 UTCPublished CVE record published
2026-06-17 00:16 UTCUpdated Record last modified

webasyst shop-script DOWNGRADE

Affected: 5.2.2.30933

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.2.2.30933

1. Check installed version

apt-cache policy shop-script || rpm -q shop-script || shop-script --version

2. No fixed release: DOWNGRADE to a release before 5.2.2.30933 (Debian / Ubuntu)

apt-cache madison shop-script sudo apt install shop-script=<VERSION_BEFORE_5.2.2.30933> sudo apt-mark hold shop-script

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

dnf --showduplicates list shop-script sudo dnf downgrade shop-script-<VERSION_BEFORE_5.2.2.30933> sudo dnf versionlock add shop-script

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-2014-8377?

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

Is CVE-2014-8377 being exploited?

CVE-2014-8377 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-2014-8377 affect?

CVE-2014-8377 affects shop-script. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Webasyst Shop-Script 5.2.2.30933 allows remote attackers to inject arbitrary web script or HTML via the phone number field in a new contact to phpecom/index.php/webasyst/contacts/.

How urgent is CVE-2014-8377?

Priority 38/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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