CVE-2021-27308

MEDIUMNVD 4.84.8—Elevated

4.8

A cross-site scripting (XSS) vulnerability in the admin login panel in 4images version 1.8 allows remote attackers to inject JavaScript via the "redirect" parameter.

CVSS v3: 4.8
EG Score: 4.8(medium)
EPSS: 65.1%
KEV: Not listed

Published

March 22, 2021

Last Modified

November 21, 2024

References (4)

cve@mitrehttp://packetstormsecurity.com/files/162946/4Images-1.8-Cross-Site-Scripting.html
cve@mitrehttps://github.com/4images/4images/issues/3
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/162946/4Images-1.8-Cross-Site-Scripting.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/4images/4images/issues/3

Weakness Classification(1)

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

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× 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.

2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-49945
First seen Jun 3, 2021
4Images 1.8 - 'redirect' Reflected XSS
Open source ↗

Frequently asked(5)

What is CVE-2021-27308?

CVE-2021-27308 is a medium vulnerability published on March 22, 2021. A cross-site scripting (XSS) vulnerability in the admin login panel in 4images version 1.8 allows remote attackers to inject JavaScript via the "redirect" parameter.

When was CVE-2021-27308 disclosed?

CVE-2021-27308 was first published in the National Vulnerability Database on March 22, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-27308 actively exploited?

CVE-2021-27308 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-27308?

CVE-2021-27308 has a CVSS v3 base score of 4.8 (NVD).

How do I remediate CVE-2021-27308?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-27308, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-27308

Explore →

Is Your Infrastructure Affected by CVE-2021-27308?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2021-27308

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-27308?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)