CVE-2023-30148: Multiple Stored Cross Site Scripting (XSS) vulnerabilities in Opart opartmultihtmlblock before version 2.0.12

Q: How do I fix CVE-2023-30148?

multi html block: upgrade to 2.0.12. Exact commands for each OS are on this page.

Q: Is CVE-2023-30148 being exploited?

CVE-2023-30148 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-2023-30148 affect?

CVE-2023-30148 affects multi html block. Severity is medium (CVSS 6.1). Multiple Stored Cross Site Scripting (XSS) vulnerabilities in Opart opartmultihtmlblock before version 2.0.12 and Opart multihtmlblock* version 1.0.0, allows remote authenticated users to inject arbitrary web script or HTML via the body_tex

Q: How urgent is CVE-2023-30148?

Priority 32/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2023-30148 is a medium-severity flaw (CVSS 6.1) affecting multi html block. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple Stored Cross Site Scripting (XSS) vulnerabilities in Opart opartmultihtmlblock before version 2.0.12 and Opart multihtmlblock* version 1.0.0, allows remote authenticated users to inject arbitrary web script or HTML via the body_text or body_text_rude field in /sourcefiles/BlockhtmlClass.php and /sourcefiles/blockhtml.php.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-10-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: store-opart

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

Am I affected?

Timeline

2023-10-14 04:15 UTCPublished CVE record published
2026-06-17 05:54 UTCUpdated Record last modified

store-opart multi html block UPGRADE

Affected: < 2.0.12

Fixed in: 2.0.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy multi-html-block || rpm -q multi-html-block || multi-html-block --version

2. UPGRADE to 2.0.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade multi-html-block

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade multi-html-block

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-2023-30148?

multi html block: upgrade to 2.0.12. Exact commands for each OS are on this page.

Is CVE-2023-30148 being exploited?

CVE-2023-30148 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-2023-30148 affect?

CVE-2023-30148 affects multi html block. Severity is medium (CVSS 6.1). Multiple Stored Cross Site Scripting (XSS) vulnerabilities in Opart opartmultihtmlblock before version 2.0.12 and Opart multihtmlblock* version 1.0.0, allows remote authenticated users to inject arbitrary web script or HTML via the body_tex

How urgent is CVE-2023-30148?

Priority 32/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

← Back to latest CVEs