CVE-2020-24026: TinyShop, a free and open source mall based on RageFrame2, has a stored XSS vulnerability that affects version

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MEDIUM 6.1DOWNGRADE

CVE-2020-24026 is a medium-severity flaw (CVSS 6.1) affecting tinyshop. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TinyShop, a free and open source mall based on RageFrame2, has a stored XSS vulnerability that affects version 1.2.0. TinyShop allows XSS via the explain_first and again_explain parameters of the /evaluate/index.php page. The vulnerability may be exploited remotely, resulting in cross-site scripting (XSS) or information disclosure.

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	2021-05-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tinyshop project

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

Am I affected?

Timeline

2021-05-18 15:15 UTCPublished CVE record published
2026-06-17 03:05 UTCUpdated Record last modified

tinyshop project tinyshop DOWNGRADE

Affected: 1.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2.0 (Debian / Ubuntu)

apt-cache madison tinyshop sudo apt install tinyshop=<VERSION_BEFORE_1.2.0> sudo apt-mark hold tinyshop

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

dnf --showduplicates list tinyshop sudo dnf downgrade tinyshop-<VERSION_BEFORE_1.2.0> sudo dnf versionlock add tinyshop

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-2020-24026?

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

Is CVE-2020-24026 being exploited?

CVE-2020-24026 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-2020-24026 affect?

CVE-2020-24026 affects tinyshop. Severity is medium (CVSS 6.1). TinyShop, a free and open source mall based on RageFrame2, has a stored XSS vulnerability that affects version 1.2.0. TinyShop allows XSS via the explain_first and again_explain parameters of the /evaluate/index.php page. The vulnerability

How urgent is CVE-2020-24026?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-21554 HIGH 8.1 DOWNGRADE A File Deletion vulnerability exists in TinyShop 3.1.1 in the back_list parameter in controllers\admin.php, wh

References

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