CVE-2023-23012

MEDIUMNVD 6.16.1—Elevated

6.1

EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.

Lower severity and no public exploit yet

CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Cross Site Scripting (XSS) vulnerability in craigrodway classroombookings 2.6.4 allows attackers to execute arbitrary code or other unspecified impacts via the input bgcol in file Weeks.php.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 36.8%
KEV: Not listed

Published

January 20, 2023

Last Modified

April 3, 2025

References (4)

cve@mitrehttps://gist.github.com/enferas/bd8ec37999c216eceabd6b80d5a95f94
cve@mitrehttps://github.com/craigrodway/classroombookings/issues/52
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/enferas/bd8ec37999c216eceabd6b80d5a95f94
af854a3a-2127-422b-91ae-364da2661108https://github.com/craigrodway/classroombookings/issues/52

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 13× in last 7d / 59× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-27 03:07 UTCEPSS rescore
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2026-06-12 23:10 UTCEPSS rescore
2026-06-11 13:59 UTCEPSS rescore
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2026-06-10 18:17 UTCOSV refresh
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2026-05-29 13:43 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-25 08:13 UTCEG score recompute
2026-05-25 08:13 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-23012?

CVE-2023-23012 is a medium vulnerability published on January 20, 2023. Cross Site Scripting (XSS) vulnerability in craigrodway classroombookings 2.6.4 allows attackers to execute arbitrary code or other unspecified impacts via the input bgcol in file Weeks.php.

When was CVE-2023-23012 disclosed?

CVE-2023-23012 was first published in the National Vulnerability Database on January 20, 2023, with the most recent update on April 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-23012 actively exploited?

CVE-2023-23012 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-23012?

CVE-2023-23012 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2023-23012?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-23012, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-23012

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-23012?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)