CVE-2023-29489

MEDIUMNVD 5.39.0▲Weaponized

5.3

An issue was discovered in cPanel before 11.109.9999.116. XSS can occur on the cpsrvd error page via an invalid webcall ID, aka SEC-669. The fixed versions are 11.109.9999.116, 11.108.0.13, 11.106.0.18, and 11.102.0.31.

CVSS v3: 5.3
EG Score: 9.0(high)
EPSS: 99.2%
KEV: Not listed

Published

April 27, 2023

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://blog.assetnote.io/2023/04/26/xss-million-websites-cpanel/
cve@mitrehttps://forums.cpanel.net/threads/cpanel-tsr-2023-0001-full-disclosure.708949/
af854a3a-2127-422b-91ae-364da2661108https://blog.assetnote.io/2023/04/26/xss-million-websites-cpanel/
af854a3a-2127-422b-91ae-364da2661108https://forums.cpanel.net/threads/cpanel-tsr-2023-0001-full-disclosure.708949/

Weakness Classification(1)

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

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 8× in last 7d / 27× 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.

2026-06-23 21:31 UTCEPSS rescore
2026-06-23 21:31 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-17 17:51 UTCEPSS rescore
2026-06-17 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-15 17:47 UTCEPSS rescore
2026-06-14 23:16 UTCEPSS rescore
2026-06-10 13:21 UTCEPSS rescore
2026-06-10 13:21 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
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
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore

Show 4 more

2026-05-27 13:39 UTCEPSS rescore
2026-05-27 13:39 UTCEPSS rescore
2026-05-25 02:14 UTCEG score recompute
2026-05-25 02:14 UTCGHSA enrichment

Publicly available exploits

(7 references)

Working exploit code is in the public domain (6 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCmdaseem03/cpanel_xss_2023
First seen Jan 23, 2024
cpanel_xss_2023 is a simple Python script designed for finding CVE-2023-29489 vulnerability in cpanel.
Open source ↗
GitHub PoCMakurorororororororo/Validate-CVE-2023-29489-scanner-
First seen Dec 23, 2023
Open source ↗
GitHub PoC0-d3y/CVE-2023-29489
First seen May 17, 2023
Mass Scaning vulnerability in Cpanel [XSS]
Open source ↗
GitHub PoCwhalebone7/EagleEye
First seen May 1, 2023
To filter the actual vulnerable URLs from the screenshots, you can use the ee.sh script. Simply run ./ee.sh -f "path/to/index_screenshot.txt" -k "hacked" and the script will filter the URLs that contain the reflective XSS payload (For Example: cPanel CVE-2023-29489 ) in their screenshots.
Open source ↗
GitHub PoCipk1/CVE-2023-29489.py
First seen Apr 28, 2023
a pyhton script to test all results from shodan for cPanel CVE-2023-29489, credits to @assetnote, I just automate
Open source ↗
GitHub PoCxKore123/cPanel-CVE-2023-29489
First seen Apr 27, 2023
Open source ↗
Nucleihttp/cves/2023/CVE-2023-29489.yaml
First seen Jan 1, 2023
cPanel < 11.109.9999.116 - Cross-Site Scripting
Open source ↗

Frequently asked(5)

What is CVE-2023-29489?

CVE-2023-29489 is a medium vulnerability published on April 27, 2023. An issue was discovered in cPanel before 11.109.9999.116. XSS can occur on the cpsrvd error page via an invalid webcall ID, aka SEC-669. The fixed versions are 11.109.9999.116, 11.108.0.13, 11.106.0.18, and 11.102.0.31.

When was CVE-2023-29489 disclosed?

CVE-2023-29489 was first published in the National Vulnerability Database on April 27, 2023, 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-2023-29489 actively exploited?

CVE-2023-29489 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-29489?

CVE-2023-29489 has a CVSS v3 base score of 5.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

How do I remediate CVE-2023-29489?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-29489, 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

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CVE-2023-29489

📅 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-2023-29489?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)